Table of Contents

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Service Manual

Tumble dryer

T5675
Type N2...
438 9038-20/EN
Original instructions
2015.11.06

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Table of Contents
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Summary of Contents for Electrolux T5675 N2

  • Page 1: Tumble Dryer

    Service Manual Tumble dryer T5675 Type N2... 438 9038-20/EN Original instructions 2015.11.06...
  • Page 3: Table Of Contents

    Contents Contents 1 Symbols .............................5 2 Technical data.............................6 Drawing ............................6 Technical data ...........................7 Connections ..........................7 Sound levels..........................7 3 Machine presentation ..........................8 4 Function check............................9 5 Sensors and overheating thermostats ....................11 Inlet air............................ 11 5.1.1 Overheating thermostat ....................11 5.1.2 Heating sensor (PT100) ....................12 Outlet air ..........................13 5.2.1 Overheating thermostat ....................13 5.2.2 Heating sensor (NTC-sensor)..................15...
  • Page 4 Contents 14.4.2Central payment (2J) ......................93 14.4.3External coin meter/Central payment (2K) ................94 14.4.4Price reduction (2K)......................95 15 Troubleshooting ..........................96 15.1 General...........................96 15.2 Error code ..........................97 15.3 Description of error codes and causes ..................101 MAIN COMMON ......................101 MAIN WASHER ......................102 MAIN DRYER ......................
  • Page 5: Symbols

    Service Manual 1 Symbols Caution Caution, hot surface Read the instructions before using the machine...
  • Page 6: Technical Data

    Service Manual 2 Technical data 2.1 Drawing Operating panel Door opening, ⌀ 810 mm Electrical connection Gas connection Exhaust connection Steam: in Steam: out B(a) B(b) 1560 1640 1857 1490 1560...
  • Page 7: Technical Data

    Service Manual 2.2 Technical data Weight, net Drum volume litres Drum diameter Drum depth Drum speed, medium load Rated capacity, filling factor 1:18 (Max. load) 37.5 Rated capacity, filling factor 1:22 (Recommended load) 30.6 Heating: Electricity Heating: Gas Heating: Steam at 600–700 kPa Steam pressure 100–1000 Maximum air flow, Electric 50 Hz / 60 Hz...
  • Page 8: Machine Presentation

    Service Manual 3 Machine presentation fig.W00268 Sensors and overheating thermostats Door Motor Heating unit Drum Control panel with Control system I/O modules After a repair has been made Whenever a repair has been made, a function check must be performed before the machine can be used again.
  • Page 9: Function Check

    Service Manual 4 Function check May only be carried out by qualified personnel. A function check must be made when the installation is finished and before the machine can be ready to be used. Whenever a repair has been made, a function check must be performed before the machine can be used again. Check the automatic stop of the machine •...
  • Page 10 Service Manual Check the heat • Let the machine work for five minutes on a program with heat. • Check that the heating is working by opening the door and feel if there is heat in the drum. Ready to use If all tests are OK the machine is now ready to be used.
  • Page 11: Sensors And Overheating Thermostats

    Service Manual 5 Sensors and overheating thermostats 5.1 Inlet air 5.1.1 Overheating thermostat Description The inlet overheating thermostat is placed on the heating module on the back of the machine. The inlet overheating thermostat opens in the event of overheating and shuts off the machine. Resetting Disconnect the power to the machine.
  • Page 12: Heating Sensor (Pt100)

    Service Manual 5.1.2 Heating sensor (PT100) Description The heating sensor is placed on the heating module on the back of the machine. The heating sensor measures the temperature in the inlet air and the signal is returned to the CPU. The CPU turns the heating unit off when the inlet air thermistor indicates that the required temperature has been reached.
  • Page 13: Outlet Air

    Service Manual 5.2 Outlet air 5.2.1 Overheating thermostat Description The outlet overheating thermostat is placed next to the fan motor on the back of the machine. The outlet overheating thermostat ensures that the machine does not overheat during program operation. The outlet overheating thermostat opens automatically and has to be reset manually.
  • Page 14 Service Manual fig.W00251A Remount the upper rear panel.
  • Page 15: Heating Sensor (Ntc-Sensor)

    Service Manual 5.2.2 Heating sensor (NTC-sensor) Description The heating sensor is placed next to the fan motor on the back of the machine. The heating sensor measures the temperature in the outlet air and the signal is returned to the PCB. The PCB turns the heating unit off when the outlet air thermistor indicates that the required temperature has been reached.
  • Page 16 Service Manual Replacement of vacuum switch Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve. Demount the upper rear panel. Disconnect the wires to the vacuum switch. Disconnect the vacuum hose. Note the position of the wires. Remove the screws (A) and disconnect the vacuum switch.
  • Page 17: Door

    Service Manual 6 Door 6.1 Door switch The door switch (A) ensures that the machine stops automatically if the door is opened during operation. If the machine does not stop when the door is opened or if the door is closed and the error code DOOR IS OPEN is dis- played (and the machine is unable to start), for example, the door switch needs to be replaced.
  • Page 18 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7548 Remove the door switch and door switch cable and mount the new one.
  • Page 19 Service Manual Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel.
  • Page 20: Reversing The Door

    Service Manual Replacement of door magnets Remove the magnet to be replaced and mount the new one. fig.W00233 6.2 Reversing the door Disconnect the power to the machine. Demount the hinges and remove the door. Remove the upper hinge first. fig.7166...
  • Page 21 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7548 Move the door switch cable to the opposite side. Note! The plastic plug MUST be placed in the hole where the door switch cable was before.
  • Page 22 Service Manual Move the door switch on the front panel. fig.7172 Move the four metal clips from the opposite side. fig.7174...
  • Page 23 Service Manual Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel. Fasten the hinges and mount the door on the opposite side. Connect the power to the machine.
  • Page 24: Motor

    Service Manual 7 Motor 7.1 Replacement of drum motor Disconnect the power to the machine. Demount the two rear panels. Cut necessary straps and disconnect the motor cable. fig.7215D Demount the cover panel to the belt tensioner. fig.7219D Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 25 Service Manual Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B). fig.7220C Demount the motor module. Carefully lift out the motor module and put it down with the fan motor cover downwards. fig.7216A...
  • Page 26 Service Manual Loosen the spring from the “motor arm”. Loosen the belt (C) from the “motor arm”. Turn the tension arm counter clockwise in the holes (D) to loosen it from the motor panel. fig.7217A Demount the motor by unscrewing the four screws. Mount the new motor.
  • Page 27 Service Manual Fasten the tension arm on the motor panel in the holes and turn it clockwise until it is in position. fig.7224A Put the belt in position (C) and tighten the screws (1, 2, 3, 4 starting with 4). Check the belt tension with a frequency meater or similar.
  • Page 28: Replacement Of Fan Motor

    Service Manual Connect the motor cable. Remount the cover panel and the rear panels. Note! The machine will NOT work without the cover panel. 7.2 Replacement of fan motor Disconnect the power to the machine. Demount the lower rear panel. Cut necessary straps and disconnect the fan motor cable.
  • Page 29 Service Manual Remove the screw and washer. Use a puller to remove the fan from the fan motor. Demount the fan motor by unscrewing the four screws (1–4). Mount the new fan motor. Tighten the screws crosswise (1, 4, 2 and 3) with tightening torque 16.5 Nm ± 3.0 Nm. Remount the fan on the fan motor.
  • Page 30: Replacement Of Fan

    Service Manual Remount the fan motor module in the machine. Connect the fan motor cable. Remount the lower rear panel. 7.3 Replacement of fan Disconnect the power to the machine. Demount the lower rear panel. Cut necessary straps and disconnect the fan motor cable. fig.7235B Demount the fan motor module.
  • Page 31 Service Manual Remove the screw and washer. Use a puller to remove the fan from the fan motor. Remount the fan on the fan motor. Put loctite on the screw and tighten with tightening torque 10 Nm ± 1.0 Nm). Make sure the shaft gets all the way to the bottom.
  • Page 32: Replacement Of The Motor Pulley

    Service Manual 7.4 Replacement of the motor pulley Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover panel to the belt tensioner. fig.7219D Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 33 Service Manual Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the pulley (B). fig.7220C Demount the motor module. Carefully lift out the motor module and put it down with the fan motor cover downwards. fig.7216A In order to loosen the belt, first loosen the four screws a bit.
  • Page 34 Service Manual Loosen the belt (C) from the “motor arm”. Demount the motor pulley (D) by loosening the screw (2). fig.7224C Mount the new motor pulley and put the belt in position (C) and tighten the screws. Start by tightening 1 and 3 a bit. Thighten 4 and check the belt tension with a frequency meater or similar.
  • Page 35: Replacement Of The Belt Around The Motor Pulley

    Service Manual 7.5 Replacement of the belt around the motor pulley Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover panel to the belt tensioner. fig.7219D Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 36 Service Manual Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the pulley (B). fig.7220C Demount the motor module. Carefully lift out the motor module and put it down with the fan motor cover downwards. fig.7216A In order to loosen the belt, first loosen the four screws a bit.
  • Page 37 Service Manual Loosen the belt (C) from the “motor arm”. fig.7224B Put the new belt in position (C) and tighten the screws. Start by tightening 1 and 3 a bit. Thighten 4 and check the belt tension with a frequency meater or similar. The frequency shall be 80 Hz ± 5. Adjust with 4 if necessary. Then tighten 2 with tightening torque 80 Nm ±...
  • Page 38: Heating Unit, Electric

    Service Manual 8 Heating unit, electric 8.1 General Spare part number, effect and voltage are printed on each heating element. 8.2 Replacement of heating element Disconnect the power to the machine. Demount the upper rear panel. fig.7248C Disconnect the heating sensor (PT100) and the overheat protection (1). Demount the heating module (2).
  • Page 39 Service Manual Demount the “locking panels” below the heating elements. Disconnect the wires and remove the heating element. fig.7281 Connect the new element. Reconnect the wires as before, use the electric schematic supplied with the machine.
  • Page 40: Heating Unit, Gas

    Service Manual 9 Heating unit, gas 9.1 Replacement of gas burner Shut off the manual gas valve. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Unscrew the two screws to the bracket (A) holding the gas valve. Disconnect the heating sensor (PT100) and the overheat protection (B).
  • Page 41 Service Manual Disconnect the earth cable. Disconnect the flame sensor and the ignition cable from the control box. fig.7273...
  • Page 42 Service Manual Demount the gas unit and carefully lift out the gas unit. fig.7274 Demount the gas valve. fig.7275...
  • Page 43 Service Manual Demount the two “locking panels” (A). Demount the two air reducing plates (B). Demount the two brackets (C). fig.7277 Loosen the screw and nut (D) holding the gas burner to remove the gas burner. fig.W00239B Mount the new gas burner with the nut and screw from the old one. Remount the two brackets (C), the two air reducing plates (B) and the two “locking panels”...
  • Page 44: Replacement Of Control Box

    Service Manual 9.2 Replacement of control box Shut off the manual gas valve. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Unscrew the screw to the control box. Disconnect the wires from the control box. fig.7269 Remove the control box and mount the new one.
  • Page 45: Replacement Of Gas Valve

    Service Manual 9.3 Replacement of gas valve Shut off the manual gas valve and disconnect the gas inlet. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Unscrew the two screws to the bracket (A) holding the gas valve. Disconnect the heating sensor (PT100) and the overheat protection (B).
  • Page 46 Service Manual Disconnect the earth cable (D). Disconnect the flame sensor and the ignition cable from the control box (E). fig.7273 Demount the gas unit and carefully lift out the gas unit. fig.7274...
  • Page 47: Replacement Of Flame Sensor

    Service Manual Demount the gas valve from the gas unit. fig.7275 Mount the new gas valve on the gas unit. Remount the gas unit in the machine. Connect the earth cable. Connect the flame sensor and the ignition cable on the control box. Fasten the screw to the control box.
  • Page 48 Service Manual Disconnect the wire to the flame sensor. Demount the flame sensor. fig.7270 Mount the new flame sensor. Control measuring the ionization current Disconnect the wire to the flame sensor. Measure the current between the quick connector (A) and the ionization connector (B). The current must be at least 0.9 µA DC.
  • Page 49: Replacement Of Ignition Cable

    Service Manual 9.5 Replacement of ignition cable Shut off the manual gas valve. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Disconnect the ignition cable. Demount the ignition electrode. fig.7279 Mount the new ignition electrode and connect the ignition cable. Adjusting ignition electrode The distance from the ignition electrode to the gas burner must be 5 mm.
  • Page 50: Converting Instructions

    Service Manual 9.6 Converting instructions • Disconnect the power to the machine. • Demount the lower back panel. • Remove the air reducing plates. • Remove the nozzle (1). • Mount the new supplied nozzle. • Mount the new air reducing plates according to the table. fig.7182 •...
  • Page 51: Table Of Pressure And Adjustment

    Service Manual 9.7 Table of pressure and adjustment Liquied petro- Gas category Inlet pressure Injector pres- Injector size (⌀ Air reducing Label number May be avail- leum gases (mbar) sure (mbar) plate (mm) able in follow- ing countries Butane mixture 28-30 / No regulation 2.30...
  • Page 52: Test Run

    Service Manual When a machine with liquid petroleum gases shall be installed or used on high altitude (2001 feet and higher) the kit “kit high altitude LPG” must be installed. For kit No. please refer to the spare parts list. 9.8 Test run •...
  • Page 53: Heating Unit, Steam

    Service Manual 10 Heating unit, steam 10.1 Replacement of steam calorifier Disconnect the power to the machine. Shut off the steam and demount the steam inlet and outlet hose. Demount the two rear panels. fig.7236A Loosen the screws on the bracket that is holding the steam calorifier and push the bracket towards you. Carefully lift off the steam calorifier.
  • Page 54: Replacement Of Damper Motor

    Service Manual 10.2 Replacement of damper motor Disconnect the power to the machine. Demount the upper rear panel. fig.7248D Demount the bracket (A) from the machine and demount the damper motor (B) from the bracket. Mount the new damper motor on the bracket and then remount the bracket on the machine. Note! If both of the damper motors is to be replaced.
  • Page 55: Drum

    Service Manual 11 Drum 11.1 Replacement of drum Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover panel to the belt tensioner. If the machine is equipped with RMC, demount the RMC (A). fig.7219B Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 56 Service Manual Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first.
  • Page 57 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7548 Loosen the screws and remove the brackets.
  • Page 58 Service Manual Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 59 Service Manual Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm. On machines with RMC; pull the RMC flange back in position and tighten the screw. Use tightening torque 5 Nm ± 0.5 Nm.
  • Page 60 Service Manual On machines with RMC; remount the RMC. Remount the cover panel and the rear panels. Note! The machine will NOT work without the cover panel. Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel.
  • Page 61: Replacement Of Bearing

    Service Manual 11.2 Replacement of bearing Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover panel to the belt tensioner. If the machine is equipped with RMC, demount the RMC (A). fig.7219B Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 62 Service Manual Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first.
  • Page 63 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7548 Loosen the screws and remove the brackets.
  • Page 64 Service Manual Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 65 Service Manual When remounting the drum, first fasten the belt temporarely on the outer drum in the machine, then put the drum in position. Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm. On machines with RMC;...
  • Page 66 Service Manual On machines with RMC; remount the RMC. Remount the cover panel and the rear panels. Note! The machine will NOT work without the cover panel. Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel.
  • Page 67: Replacement Of The Belt Around The Drum

    Service Manual 11.3 Replacement of the belt around the drum Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover panel to the belt tensioner. On machines with RMC; demount the RMC (A). fig.7219B Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 68 Service Manual Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the pulley (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first.
  • Page 69 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7548 Loosen the nuts and remove the brackets.
  • Page 70 Service Manual Remove the screws and the bearing cover (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 71 Service Manual Fasten the bolt and the washer and remount the bearing cover. Use tightening torque 20 Nm ± 3 Nm. On machines with RMC; pull the RMC flange back in position and tighten the screw. Use tightening torque 5 Nm ± 0.5 Nm.
  • Page 72 Service Manual On machines with RMC; remount the RMC. Remount the cover panel and the rear panels. Note! The machine will NOT work without the cover panel. Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel.
  • Page 73: Replacement Of Rear Sealing

    Service Manual 11.4 Replacement of rear sealing Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover panel to the belt tensioner. On machines with RMC; demount the RMC (A). fig.7219B Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 74 Service Manual Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first.
  • Page 75 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7548 Loosen the screws and remove the brackets.
  • Page 76 Service Manual Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 77 Service Manual Remove the screws and remove the outer sealing plate. fig.7358 Cut loose the rear sealing from the inner sealing plate. Put glue on the inner sealing plate and fasten the new rear sealing on the inner sealing plate. The rough side shall be fastened to the glue.
  • Page 78 Service Manual When remounting the drum, first fasten the belt temporarely on the outer drum in the machine, then put the drum in position. Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm. On machines with RMC;...
  • Page 79 Service Manual On machines with RMC; remount the RMC. Remount the cover panel and the rear panels. Note! The machine will NOT work without the cover panel. Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel.
  • Page 80: Control Panel

    Service Manual 12 Control panel 12.1 Control system 12.1.1 Description The control system CPU is electronic and comprises a circuit board containing microprocessor, program memory, se- rial interface to the motor, I/O-boards etc. The control system CPU receives its power from a separate power supply unit. fig.7356 The control system receives information about inputs like temperature sensors, RMC, vacuum, door status etc, and activates outputs like drum, fan and heat control.
  • Page 81: 2Connections

    Service Manual 12.1.2 Connections The control system CPU has the following connections: Board connector Function M-COM = Communication, motor control D-BUS = Databus D-BUS = Databus Tacho COIN = Input, coin meter EMERG = Input, stop button FREE = Free program (key switch) RS 232 = Serial communication Control knob, pulses USB TYPE B = Connection for software/service download...
  • Page 82: 3Replacement Of Control System Cpu

    Service Manual 12.1.3 Replacement of control system CPU Disconnect the power to the machine. Demount the control knob Insert a screwdriver in the upper hole. fig.7491 Gently push the screwdriver inwards and turn the control knob counter-clockwise until the screwdriver goes further in. fig.7492 Continue turning a quarter of a turn until it is possible to remove the control knob.
  • Page 83 Service Manual fig.7490 Demount the control system CPU Open the door to the control system CPU. Demount the cover to the control system CPU and disconnect the cables. fig.7512A Loosen the nuts holding the control system CPU onto the panel. Demount the control system CPU by first pushing the control system CPU upwards until it stops and then remove it.
  • Page 84 Service Manual fig.7512 Demount the control knob unit from the control system CPU by unscrewing the screw (A) a bit (4–5 mm) until the con- trol knob unit loosens. Demount the two grounding brackets (B). fig.7510 Mount the new control system CPU Start by mounting the control knob unit on the control system CPU.
  • Page 85 Service Manual Connect the cables and remount the cover to the control system CPU. Mount the cover ring and the control knob Mount the cover ring and rotate it clockwise until it is in position. Rotate the inner knob until the locking device is pointing downwards. Insert the screwdriver and press the locking device.
  • Page 86: Control Knob

    Service Manual 12.2 Control knob 12.2.1 Replacement of control knob Disconnect the power to the machine. Insert a screwdriver in the upper hole. fig.7491 Gently push the screwdriver inwards and turn the control knob counter-clockwise until the screwdriver goes further in. fig.7492 Continue turning a quarter of a turn until it is possible to remove the control knob.
  • Page 87 Service Manual fig.7490 Mount the new cover ring and rotate it clockwise until it is in position. Rotate the inner knob until the locking device is pointing downwards. Insert the screwdriver and press the locking device. fig.7494 Mount the new control knob on the inner knob. Continue to press with the screwdriver and turn the control knob clockwise until it stops when it is in position.
  • Page 88: Coin Meter

    Service Manual 13 Coin meter 13.1 Replacement of coin meter Open the door and unscrew the wing nut. Pull out the coin meter and mount the new one. fig.7534...
  • Page 89: O Modules

    Service Manual 14 I/O modules 14.1 General The machine can be equipped with either one or two I/O modules: • I/O module type 81 is always installed in the machine at delivery. It controls internal machine functions and outputs to heating, motors etc. •...
  • Page 90 Service Manual Location The parameter software installed in the machine’s program device on delivery is specified at the front and back of the machine. Using this article number, you can find the program designation and thereby identify I/O module function options on the web.
  • Page 91: Replacement Of I/O Module

    Service Manual 14.2 Replacement of I/O module I/O module type 8 and I/O module type 2 are installed in the same way. If the machine has I/O module type 2, it is lo- cated on I/O module type 8. The illustration shows replacement of I/O module type 8. Disconnect the power to the machine.
  • Page 92: External Connections To I/O Module Type 2

    Service Manual Remount the upper rear panel. Connect the power to the machine. 14.3 External connections to I/O module type 2 Inputs The signal level may be 5 - 24V DC/AC or 100 - 240V AC. At 5 - 24V, the signal reference must be connected to 3 and at 100 - 240V to 4.
  • Page 93: Circuit Diagram Of Function Options For I/O Module Type 2

    Service Manual 14.4 Circuit diagram of function options for I/O module type 2 14.4.1 Central payment (2J) To start the machine from a central payment system, the payment system must transmit a start pulse 300–3000 ms (500 ms is recommended) with a minimum pause of 300 ms (500 ms is recommended) between two pulses. The start pulse can be either 230V or 24V.
  • Page 94: 3External Coin Meter/Central Payment (2K)

    Service Manual 14.4.3 External coin meter/Central payment (2K) The signal received from external coin meters must be a pulse between 300–3000 ms (500 ms is recommended) with a minimum pause of 300 ms (500 ms is recommended) between two pulses. fig.7438...
  • Page 95: 4Price Reduction (2K)

    Service Manual 14.4.4 Price reduction (2K) By maintaining an activated (high) signal on connection 5 ("Price red"), the price of the program can be reduced. This function has a number of uses, including providing reductions during a specific period of the day. Whilst the signal re- mains active (high), the price of the program is reduced (or the time is increased on time programs), by the percent- age entered in the price programming menu.
  • Page 96: Troubleshooting

    Service Manual 15 Troubleshooting 15.1 General The troubleshooting section is used to trace errors in the machine to a defective component or unit. There is a memory in the control system that will save the selected program for 10 minutes in the case of power fail- ure.
  • Page 97: Error Code

    Service Manual 15.2 Error code An error in the program or in the machine is indicated on the display by an error code and a descriptive text. The error codes are divided into different groups called “Major” comprising different error codes called “Minor”. The errors will be displayed as for example 11:2 DOOR OPEN.
  • Page 98 Service Manual Error code Text Major Minor DRUM POSITIONING TIMED OUT MAIN BARRIER DRUM LOCKING / UNLOCKING INNER DOOR OPENING INNER DOOR JACK POSITION DOOR UNLOCKING DRUM LOCK POSITION SWITCH DRUM NOT ROTATING UNBALANCE SWITCH ON AT PROG START WATER IN DRUM - CALL SERVICE WATER IN DRUM - CALL SERVICE UNLOADING DOOR NOT LOCKED LOADING DOOR NOT LOCKED...
  • Page 99 Service Manual Error code Text Major Minor SECURITY INPUT DRUM MOTOR KEB OVERVOLTAGE UNDERVOLTAGE PHASE FAILURE OVERCURRENT OVERHEAT INTERNAL NO OVERHEAT INTERNAL OVERHEAT POWER MODULE DRIVE OVERHEAT NO DRIVE OVERHEAT POWER UNIT POWER UNIT NOT READY POWER UNIT INVALID LOAD SHUNT FAULT OVERLOAD NO OVERLOAD OVERLOAD 2...
  • Page 100 Service Manual Error code Text Major Minor CHARGE CIRCUIT INTERNAL COM. I/O TYPE SET SIGNAL, NO TACHO. WAIT 5 MINUTES ACTUATOR CIRCUIT CHARGE CIRCUIT SET SIGNAL, NO TACHO. WAIT 5 MINUTES ACTUATOR CIRCUIT Error code Text Major Minor I/O TYPE 6 INTERNAL ERROR INTERNAL COM.
  • Page 101: Description Of Error Codes And Causes

    Service Manual 15.3 Description of error codes and causes MAIN COMMON 10:1 INTERNAL ERROR CPU TACHO Tacho input on CPU delivers values that is out of range. Recommended actions: 1. Run motor on highest possible speed in service mode. Check input value for RPM speed. 2.
  • Page 102: Main Washer

    Service Manual MAIN WASHER 11:1 NO WATER This error is shown if the programmed water level is not reached within a certain time, typically 10 minutes. Max. filling time is defined in Config. 1 parameter MAX FILL TIME. This error message can be turned off in Configuration - Error code. Possible causes: Long filling times can be caused by a leaking drain valve, blocked filler valve, defective filler valve, defective valve control board, clogged level sensor hose, leaking level system, etc.
  • Page 103 Service Manual 11:5 WATER HIGH TEMP This error code is shown if the temperature sensor indicates temperature above + 98°C/208°F. Maximum allowed temperature is defined in Config. 2 parameter MAX PROG TEMP. Possible causes: This high temperature means that the resistance in the sensor is too low (< 350Ω on all machines except Barrier Washers) or too high (>137Ω...
  • Page 104 Service Manual 11:9 DRUM OVERFILLED This error code is shown if the mechanical level sensor connected to input DRUM OVERFILLED detects a high level (used primary in W&D machines) Possible causes: This error code can be caused by for example water inlets not closing correctly, faulty level switch, blocked level hose, drops of water in the level hose, foam in drum or level hose, etc.
  • Page 105 Service Manual This error can be caused by defective level control, blocked drain, blocked level hose, a drop of water in the level hose, etc. Recommended actions: 1. Check in the service program that the level control is working correctly. 2.
  • Page 106: Main Dryer

    Service Manual MAIN DRYER 12:1 O.H. THERMOSTAT - INLET AIR This error code is shown if the input O.H. INLET AIR is deactivated. Normally this is due to that protection thermostat for inlet air has trigged due to overheating. The overheating thermostat for inlet air needs to be mechanically restored. Cut power and turn off gas supply (if gas heated) and check contactors/heat relays before restoring the thermostat.
  • Page 107 Service Manual If the inlet air temperature in the SHOW INPUTS menu show a temperature of 0 °C the inlet air sensor is shorted. When the inlet air sensor is restored the error code is automatically reset and the ongoing program will continue. A long press on the control knob/start button will make the control system reset and ongoing program will be ended.
  • Page 108 Service Manual 12:8 CONDENSE WATER CONTAINER IS FULL The pump will run when a program starts for normally 15 seconds. Then it will run again after normally 3 minutes. The pump will also run if the input for the float is trigged. The error code is activated if the input CONDENSER TANK is still activated after 15 seconds.
  • Page 109 Service Manual • RMC value system short circuit = 50% 12:12 DRYING ERROR WITH AUTOSTOP PROGRAM The error code is shown if the analog input OULET AIR TEMP (NTC) does not register the STOP VALUE FOR AU- TOSTOP PROGRAM reached within the maximum drying time (normally 90 minutes). When the error is trigged the machine will automatically go to the cooling module before the program ends.
  • Page 110 Service Manual 12:16 VACUUM SWITCH SHORTED The error code is shown if the input VACUUM was already activated when a program was started. The error code is reset from the control system by a short press on the control knob/start button. A long press on the control knob/start button will make the control system reset and ongoing program will be ended.
  • Page 111: Main Barrier

    Service Manual MAIN BARRIER 13:1 DRUM POSITIONING TIMED OUT The error code is shown if input POSITION DRUM 1 and POSITION DRUM 2 is not activated within set time in Con- fig parameter DRUM POS TIMEOUT. Recommended actions: 1. Check inputs from positioning sensors DP1 and DP2. 13:2 DRUM LOCKING / UNLOCKING The error code is shown if drum is not able to unlock/lock when expected.
  • Page 112 Service Manual 1. Check inputs from indexing sensors FC1 and FC2. 2. Run a positioning sequence with wet load in one compartment to test functionality. 13:7 DRUM NOT ROTATING The error code is shown if positioning sensor on input on J201 is not indicating rotation when rotation is expected during program run.
  • Page 113: Main W&D

    Service Manual 1. Check door lock functionality in service program, by activating door lock and then by monitoring input status under Check inputs and outputs. 2. Check electrical connections by reading inputs at the same time as cables carefully moved/pulled. 3.
  • Page 114: Main Dryer

    Service Manual MAIN DRYER 15:2 UNLOADING DOOR OPEN Only on Pocket washer: This error code will be shown if the control system detects that the input DOOR CLOSED 2 (unloading side) has been deactivated during an on-going program. The error can only occur during an on-going program. Possible causes: This can be caused by for example a bad or defective door lock, loose cable to door lock, problem with door lock edge connection, defective input on I/O unit type 10 etc.
  • Page 115: Drum Motor Common

    Service Manual DRUM MOTOR COMMON 20:1 O.H. DRUM MOTOR This error code will be shown if the control system detects that the input OH DRUM MOTOR is deactivated during program run. The overheating protection is automatically restored. When the overheating protection is restored the error code is automatically reset and the ongoing program will continue.
  • Page 116: Drum Motor Ewd

    Service Manual DRUM MOTOR EWD 21:1 HEATSINK TOO HOT This error code is generated by the MCU for drum motor. There is a temperature sensor (NTC) mounted on the MCU cooling flange next to the power transistors in the output stage.
  • Page 117 Service Manual 2. Replace the defective part. 21:4 NO COMMUNICATION This error code is generated by the MCU for drum motor. MCU detects there is there is a problem in communication with CPU. Possible causes: Bad contact in harness or connectors between CPU and MCU. Recommended actions: 1.
  • Page 118 Service Manual stationary), the MCU checks to see whether the input voltage is still low. If it is, this error code is shown. The reason for this error code being activated can be low mains voltage or that the machine’s on/off switch has been operated in an unsuitable manner.
  • Page 119 Service Manual • LAST ERROR CODE N/8 (shows the 8 latest error codes). • TACHO ERR. LOW SPEED (can give a clue in case of intermittent errors). • TACHO ERR. HIGH SPEED (can give a clue in case of intermittent errors). Recommended actions: 1.
  • Page 120: Drum Motor Keb

    Service Manual DRUM MOTOR KEB 22:0 SECURITY INPUT Machine indicates that Interlock signal is missing to MCU. Internal MCU error code STO. The interlock signal is missing to MCU STO1+ or STO2+ inputs when expected to be active. Recommended actions: 1.
  • Page 121 Service Manual Internal overheating in frequency controller. Can only be reset when internal temperature has dropped by 3 °C. This is indicated by message E.nOHI. See also error code 22:7. Internal message 6. Recommended actions: 1. Switch off the main power to machine for 30 minutes. 2.
  • Page 122 Service Manual 2. Restart the machine. 22:13 POWER UNIT NOT READY The Motor Control Unit indicates message nO_PU. Power circuit not ready or identified by controller. Internal message 13. Recommended actions: 1. Wait 2 minutes and try to start again. 2.
  • Page 123 Service Manual 1. Switch off the main power to machine for 5 minutes. 2. Restart the machine. 22:19 OVERLOAD 2 The Motor Control Unit indicates error E.OL2. Standstill constant current exceeded. The error can only be reset after cooling time has elapsed. This is indicated by the message E.nOL2. See also error code 22:20.
  • Page 124 Service Manual External fault. This error can be triggered if a digital input is programmed as external error input, and trips. Not used in this application. Internal message 31. 22:32 ENCODER 1 The Motor Control Unit indicates error E.EnC. Cable breakage in the encoder. Not used in this application. Internal message 32.
  • Page 125 Service Manual Mismatch between CPU module and Power module internally in Frequency controlled due to bad contact. Internal message 50. Recommended actions: 1. Switch off the main power to machine for 5 minutes. 2. Restart the machine. 22:51 DRIVER RELAY The Motor Control Unit indicates error E.dri.
  • Page 126 Service Manual 1. Switch off the main power to machine for 30 minutes. 2. Restart the machine. 22:88 NO OVERHEAT POWER MODULE Warning: The Motor Control Unit indicates A.nOH. Warning Overtemperature of power module heat sink is reset. See also error code 22:89. Internal message 88.
  • Page 127 Service Manual 22:95 PROTECT. ROT. REVERSE The Motor Control Unit indicates error A.Prr. Reverse (left) limit switch is activated. Not used in this application. Internal message 95. 22:96 DRIVE OVERHEAT Warning: The Motor Control Unit indicates A.dOH. Motor temperature too high. Can only be reset when motor temperature has dropped (Resistance at terminals T1/T2 >...
  • Page 128 Service Manual 22:101 NO OVERLOAD 2 Warning: The Motor Control Unit indicates A.nOL2. Cooling time has elapsed, error over load 2 is reset. See also message 22:100. Internal message 101. Recommended actions: 1. Restart the machine. 22:102 SET Warning: The Motor Control Unit indicates error A.SEt. It has been attempted to access a locked parameter set.
  • Page 129: Drum Motor Obiwan

    Service Manual DRUM MOTOR OBIWAN 23:1 HEATSINK TOO HOT This error code is generated by the MCU for drum motor. There is a temperature sensor (NTC) mounted on the MCU cooling flange next to the power transistors in the output stage.
  • Page 130 Service Manual 1. Use a multimeter to check that there is 230V present on the MCU Interlock input when the door lock is activated. Read also bit 1 in the second byte under MCU STATUS in the service program (the bits are numbered from 0 to 7 where bit 0 is on the far right).
  • Page 131 Service Manual • UNDERVOLTAGE 1 (specifies how many times the voltage has dropped below the limit). • LAST FAULT CODE N/8 (shows the 8 latest error codes) Undervoltages can be registered even during normal op- eration. Consequently, a small number of registrations need not mean that there is an error in the MCU. Recommended action: 1.
  • Page 132: Fan Motor Common

    Service Manual FAN MOTOR COMMON 30:1 O.H. FAN MOTOR This error code will be shown if the control system detects that the input OH FAN MOTOR is deactivated during pro- gram run. The overheating protection is automatically restored. When the overheating protection is restored the error code is automatically reset and the ongoing program will continue.
  • Page 133: Internal Com

    Service Manual INTERNAL COM. 40:1–40:10 I/O INTERLOCK Axxx This error code will be shown if the control system detects that the input IO INTERLOCK is not active. I/O unit desig- nation, Axxx, that is shown in the error description is according to electric schematics and electrical component list. Recommended actions: 1.
  • Page 134 Service Manual If there is a mismatch between what the Type of I/O unit the CPU finds, and what the I/O unit type the software con- figuration expects, the error will be shown. Machine will not run until problem is solved. There are two exceptions: I/O type 1 can be used when I/O type 11 is ex- pected, but not oposite.
  • Page 135: Internal Com. I/O Type 10

    Service Manual INTERNAL COM. I/O TYPE 10 41:1 CHARGE CIRCUIT The DLCU on I/O board type 10 contains an arming circuit that is charged when the door lock coil is to be activated. For safety reasons, this arming circuit must be discharged when the door lock coil is not to be activated. If the arming circuit for operating the door lock is charged when it is not supposed to be, an error message will be sent to the CPU.
  • Page 136 Service Manual The DLCU on I/O board type 10 contains an arming circuit that is charged when the door lock coil is to be activated. For safety reasons, this arming circuit must be discharged when the door lock coil is not to be activated. If the arming circuit for operating the door lock is charged when it is not supposed to be, an error message will be sent to the CPU.
  • Page 137: Internal Com. I/O Type 6

    Service Manual INTERNAL COM. I/O TYPE 6 42:1 I/O TYPE 6 INTERNAL ERROR I/O unit type 6, reading of internal analog values out of range. Possible causes: • Intermittent error in wiring to I/O type 6 unit. • Internal error in I/O type 6. Recommended actions: 1.
  • Page 138: External Com. Cmis

    Service Manual EXTERNAL COM. CMIS 52:1 CMIS COMMUNICATION ERROR Communication between machine and CMIS computer has been interrupted. The warning will be shown at program start for 5 seconds, the next 5 programs. It is then removed automatically. After the warning message has disapeared the machine will start, but no CMIS data statistics/data will be logged. Possible causes: •...
  • Page 139: Internal

    Service Manual INTERNAL 60:5 FATAL ERROR INVALID RUNNING MODE The control system has an internal error during memory read. Recommended actions: 1. Press the control knob/start button to retry. 2. If problem persists, upload new software. 60:11 FATAL ERROR EXTERNAL FLASH WRITE The control system has an internal error during memory read.
  • Page 140: Maintenance

    Service Manual 16 Maintenance 16.1 Clean the fan, the exhaust duct and the fresh-air intake to the room Check that the following are not clogged by lint and dust or otherwise blocked and clean with a vacuum cleaner: • The fan. Be careful not to damage the fan. •...
  • Page 141 Service Manual Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable. Remove the panel. fig.7548 Remove all lint around the drum and in the area over the drum with a vacuum cleaner. Check the support rollers (A) and replace if necessary.
  • Page 142 Service Manual Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel. Remount the door.
  • Page 143: Clean The Motors

    Service Manual 16.4 Clean the motors Disconnect the power to the machine. Demount the two rear panels. Clean the fan wheel on each motor with a vacuum cleaner. fig.7336A Demount the cover panel to the belt tensioner. Clean the area around the belt tensioner and the transmission with a vacuum cleaner. fig.7337A Remount the cover panel and the rear panels.
  • Page 144: Check The Belt Tension

    Service Manual 16.5 Check the belt tension Check the belt tension with a frequency meater or similar. The frequency shall be: A = 70 Hz ± 5. B = 80 Hz ± 5. Adjust if necessary. fig.7220B Remount the cover panel and the rear panels. Note! The machine will NOT work without the cover panel.
  • Page 146 Electrolux Laundry Systems Sweden AB 341 80 Ljungby, Sweden www.electrolux.com/professional Share more of our thinking at www.electrolux.com...

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