Table of Contents
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1.1
Purpose and target group.............................................................................. 3
1.2
Other applicable documents...........................................................................3
2.1
Qualification.................................................................................................... 4
2.2
Information in warning messages...................................................................4
2.3
Basic safety instructions................................................................................. 6
2.4
Grouped safety messages..............................................................................7
3.1
Process air circuit........................................................................................... 8
3.2
Heat pump circuit........................................................................................... 9
3.3
Temperature control with fan (cooling air).................................................... 11
3.4
Compressor...................................................................................................12
3.5
NTC............................................................................................................... 13
3.6
Door lock.......................................................................................................14
3.7
Drum bearing (rear panel)............................................................................15
3.8
Drum bearing (bearing shield)......................................................................16
3.9
Condensate pump........................................................................................ 17
3.10 Condensate tank...........................................................................................19
3.11 Motor............................................................................................................. 20
3.12 Evaporator rinsing system............................................................................ 23
4.1
Malfunctions................................................................................................ 25
Drying programme does not start.................................................................25
Drying programme only briefly starts running.............................................. 25
Drum not rotating..........................................................................................25
Driving system.............................................................................................. 25
Heating system............................................................................................. 26
4.2
Result faults................................................................................................ 27
Washing not drying / residual moisture excessive....................................... 27
„Drain tank" is displayed...............................................................................27
Laundry bunched up (laundry roller)............................................................ 28
Condensate in collector despite connected drain set...................................28
2015-09-07 / DIS 113_58300000171499_ara_en_c
3
Clean filter/lint strainer flashes/lights up at end of programme.................... 28
4.3
Odours......................................................................................................... 29
Smell of oil....................................................................................................29
Chemical odour.............................................................................................29
Plastic odour / melted................................................................................... 29
4
Charred smell............................................................................................... 29
Musty odour.................................................................................................. 29
4.4
Noise............................................................................................................ 30
Humming noise.............................................................................................30
Running noises from the drum bearing........................................................30
Clicking noises..............................................................................................30
8
Rattling noises.............................................................................................. 30
Banging noises............................................................................................. 30
Pulsating noises............................................................................................30
Slurping noises............................................................................................. 30
Buzzing noise............................................................................................... 30
Scraping noises............................................................................................ 31
4.5
Leaks............................................................................................................ 32
Condensate dripping between panel and display........................................ 32
Leakage bottom front left ............................................................................ 32
5.1
Read out fault memory.................................................................................33
6.1
Installing the appliance................................................................................. 34
6.2
Transporting the appliance........................................................................... 35
25
6.3
Removing/installing the worktop...................................................................36
6.4
Replacing left / right side panel.................................................................... 37
6.5
Removing/installing control panel.................................................................39
6.6
Flashing the power module.......................................................................... 40
6.7
Removing/installing the power module.........................................................44
6.8
Removing/installing front panel.................................................................... 46
6.9
Removing/attaching air inlet panel............................................................... 47
6.10 Remove/install electrodes for conductivity measurement............................ 48
6.11 Replacing door switch.................................................................................. 50
6.12 Replacing rollers........................................................................................... 52
Copyright by BSH Hausgeräte GmbH
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Page 1 of 65
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Summary of Contents for Siemens WT46W430FF
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Page 1: Table Of Contents
General repair instructions – Laundry 1 Concerning this document Clean filter/lint strainer flashes/lights up at end of programme....28 Odours......................29 Purpose and target group................3 Smell of oil....................29 Other applicable documents................3 Chemical odour.....................29 Plastic odour / melted................... 29 2 Safety Charred smell.................... -
Page 2: General Repair Instructions - Laundry
General repair instructions – Laundry 6.13 Clean the filters.................... 53 6.14 Replacing the door lock................54 6.15 Removing the fan drum (process air)............55 6.16 Replace scraping fan wheel................. 56 6.17 Replacing motor....................57 6.18 Opening / closing refrigeration circuit............58 6.19 Cleaning condenser..................59 6.20 Removing / installing drum bearing.............. -
Page 3: Concerning This Document
Concerning this document Purpose and target group Other applicable documents These repair instructions include information on troubleshooting and repairs. The following documents include additional relevant repair information: • Documents “Design and function” and “Customer advice” This information supports the following employees in customer service: •... -
Page 4: Safety
Safety Qualification Information in warning messages In Germany repair work may be performed only by electrical engineers who have 2.2.1 Danger levels and warning symbols been trained by BSH or a centre authorised by BSH. Warning messages are provided with danger levels and warning symbols in this In all other countries repair work may be performed by comparably trained document. - Page 5 Safety Symbol Description Danger of crushing High voltage! Death by electric shock. Danger from hot surfaces ► Disconnect appliance from grid. ► Discharge high-voltage capacitor. Danger from strong magnetic field Danger from non-ionizing radiation Table 2: Warning symbols 2.2.2 Structure Warning messages in this document have a standardized appearance and a standardized structure.
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Page 6: Basic Safety Instructions
Safety Basic safety instructions 2.3.2 Measures to be taken after each repair State of the appliance Measures Appliance has been repaired and is These repair instructions form the basis for a systematic and • Run tests in accordance with VDE functionally reliable. -
Page 7: Grouped Safety Messages
Safety Grouped safety messages Sharp edges! Cut injuries. Exposed, live components! ► Wear protective gloves. Death from electric shock. ► Disconnect the appliance from the power supply. ► Do not touch housing, frame or components. ► If running tests while the power is on, always use a residual current circuit-breaker. -
Page 8: Design And Function
Design and function Process air circuit In the heat pump dryer the process air flows through the drum (1), the fluff filter (2) and the evaporator (3). From the evaporator the process air is conveyed further to the condenser (4) and flows through the fan (process air) (5) and the process air 3.1.1 Structure duct (6) back into the drum. -
Page 9: Heat Pump Circuit
Design and function Heat pump circuit 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 9 of 65... - Page 10 Design and function 3.2.1 Structure Compressor Drum with washing Fan (cooling air) Capillary tube Fan process air Condenser Evaporator 3.2.2 Function • The heat pump circuit contains the refrigerant • The compressor compresses the gaseous refrigerant which is heated in the process.
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Page 11: Temperature Control With Fan (Cooling Air)
Design and function Temperature control with fan (cooling air) 3.3.1 Structure The appliance features two NTC sensors: The NTC sensor B31 in the refrigeration circuit on the compressor and an NTC sensor on the end shield (optional). The electronic control is connected to the NTC sensors and controls the components, via electrical connections, which are required to control the temperature. -
Page 12: Compressor
Design and function Compressor 3.4.1 Structure Graphic 3: Components of the compressor Compressor Electrical connection Overheating protection OLP The compressor (1) is integrated in the refrigeration circuit. The OLP (Over Load Protector) overheating protection (2) and the electrical connections (3) are on the top of the compressor. -
Page 13: Ntc
Design and function 3.5.1 Structure Graphic 5: The function of the NTC The NTC converts the temperature to electrical resistance. The electronics evaluate the resistance of the NTC and actuate a switching process if a specified setpoint temperature is exceeded or drops below the minimum. 3.5.3 Positions of the NTCs NTC B21... -
Page 14: Door Lock
Design and function Door lock 3.6.2 Function When the appliance door is closed, the snap lock engages mechanically with the 3.6.1 Structure door recess on the opposite side. To open the appliance door, a low mechanical resistance must be overcome to release the snap lock. If the appliance door is opened during operation, the appliance switches off. -
Page 15: Drum Bearing (Rear Panel)
Design and function Drum bearing (rear panel) 3.7.2 Function The drum bearing socket holds the drum in the correct position. 3.7.1 Structure Graphic 7: Components of the drum bearing (rear panel) Drum axis Retaining screws Bearing race Retaining ring Bearing pedestal Bearing cover 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH... -
Page 16: Drum Bearing (Bearing Shield)
Design and function Drum bearing (bearing shield) 3.8.1 Structure Graphic 8: Components of the drum bearing (bearing shield) Roller Sealing strip 3.8.2 Function The drum bearing assembly (bearing shield) consists of two rollers (1). The drum is turned in a clockwise direction via a driving belt powered by the drive motor. The sealing tape (2) around the drum prevents process air from escaping. -
Page 17: Condensate Pump
Design and function Condensate pump 3.9.1 Structure The condensate pump is a split pole pump (without protector) which is protected by its own inherent resistance. The condensate pump (1) has a fill level sensor (2). Graphic 9: Components of the condensate pump Condensate pump Fill level sensor 3.9.2... - Page 18 Design and function Before and after a rinse cycle, however after 72 mins at the latest. • When the fill level sensor is tripped 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 18 of 65...
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Page 19: Condensate Tank
Design and function 3.10 Condensate tank 3.10.2 Function The condensate pump in the base tray pumps the condensate through the filter 3.10.1 Design into the condensate tank. The lint in the condensate is trapped in the filter. The filter is normally cleaned by the draining of the condensate tank, but can also be removed manually for cleaning. -
Page 20: Motor
Design and function 3.11 Motor 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 20 of 65... - Page 21 Design and function 3.11.1 Design Electrical connection Motor shaft Tensioning roller Holder Tension spring The motor is powered via the electrical connection (1) and a start-up capacitor. By way of the motor shaft (3) and drive belt it drives the tensioning roller (1) which is connected to the drum by a drive belt.
- Page 22 Design and function 3.11.3 BLDC motor When the motor is started a small jolt occurs to synchronize the coils. To limit the motor current, a soft-start is also effected. 3.11.4 Design of BLDC motor When off, the drum can only be rotated in small, jolting turns. Reason: The generated induction current is shorted in the inverter.
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Page 23: Evaporator Rinsing System
Design and function 3.12 Evaporator rinsing system 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 23 of 65... - Page 24 Design and function 3.12.1 Structure Condensate container Condensate overflow hose Evaporator maintenance opening Hose to the condensate container Evaporator/condenser Lifting magnet Downpipe/diffuser 3.12.2 Function 2x2 rinse cycles are started in every drying program. • Condensed water is pumped into the condensate container. •...
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Page 25: Fault Diagnosis
Fault diagnosis Malfunctions Fault Possible cause Troubleshooting Drying programme does not start Power supply not connected ► Check power supply ► Check fuse in the fuse box ► Check plug-and-socket connections ► Check power cord for damage Childproof lock is activated ►... -
Page 26: Heating System
Fault diagnosis Fault Possible cause Troubleshooting Belt torn ► Replace belt. Rolling rollers damaged ► Replace rolling rollers of bearing shield. Heating system Heat pump driers do not become very ► Not a fault Appliance remains cold warm Heat pump defective ►... -
Page 27: Result Faults
► Advise customer: type of washing) (no error) ► For small loads the timer program is advised. Advise of washing guide [ Bosch 725247 ] [ Siemens 725246 ] . Wrong drying program ► Advise customer: ► Residual moisture varies in the different programs, see operating instructions/circuit... -
Page 28: Laundry Bunched Up (Laundry Roller)
Fault diagnosis Fault Possible cause Troubleshooting Laundry bunched up (laundry roller) Not loaded properly ► Advise customer: - Close zips, mix up small and large items, pay attention to size of load. See instruction manual. Condensate in collector despite connected No error - Condensate is needed for the self-cleaning function drain set... -
Page 29: Odours
Fault diagnosis Odours Fault Possible cause Troubleshooting Smell of oil Drawing oil from production still on the ► Wipe out the drum using a damp cloth drum. Not a fault. ► Customer advice: evaporates quickly, no influence on the laundry Chemical odour Detergent, fabric softener, scented cloths. -
Page 30: Noise
Fault diagnosis Noise Fault Possible cause Troubleshooting Humming noise Compressor humming ► Compressor starting up ► Not a fault Running noises from the drum bearing Drum has been heavily overloaded. ► Replace drum and drum bearing. Appliance has been damaged during ►... -
Page 31: Scraping Noises
Fault diagnosis Fault Possible cause Troubleshooting Scraping noises Fan wheel scraping on air duct ? Install repair set [ 11003634] ► Replace scraping fan wheel (Page 56) 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 31 of 65... -
Page 32: Leaks
Fault diagnosis Leaks Fault Possible cause Troubleshooting Condensate dripping between panel and Leak between bearing plate and cover ► Check seal[ 00635382] for correct seating display ► Replace seal[ 00635382] Leakage bottom front left Foam mat not in correct position ►... -
Page 33: Test
Test Read out fault memory The information function Customer can display information in advance about the error which has occurred. 1. Selection 2. Move programme selector to position 1 . 3. Press and hold down the Low heat button for 5 s. Result: The fault which last occurred is displayed for 5 s. -
Page 34: Repairs
Repairs Installing the appliance The appliance can be installed in combination with a washing machine (front loader). To ensure a secure connection, use the original connection sets (see operating instructions). A direct water outlet is available as an option. If the fresh air supply is unsatisfactory, the degree of efficiency of the dryer drops significantly. -
Page 35: Transporting The Appliance
Repairs Transporting the appliance During the draining process, there is always a little water left in the appliance: Condensation may run out of the overflow opening at the rear left • Remaining water after a normal drying cycle: approx. side or out of the pump chamber during transportation. 450 ml The appliance can be transported at temperatures of −40 °C to +70 °C if there is no water present in the bottom group. -
Page 36: Removing/Installing The Worktop
Repairs Removing/installing the worktop Screw Prerequisite: • The appliance is free-standing. 6.3.1 Removing worktop 1. Remove screws (1). 2. Pull worktop backwards 3. Remove worktop upwards. 6.3.2 Installing the worktop ► Install the worktop in reverse sequence. Graphic 14:Removing worktop 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 36 of 65... -
Page 37: Replacing Left / Right Side Panel
Repairs Replacing left / right side panel Prerequisite: • Worktop has been removed. • Fascia has been removed. 6.4.1 Removing left / right side panel Remove screws [ 1] Pull side panel backwards out of the catch elements [ 2] Graphic 15:Side panel Retaining screws Locking points... - Page 38 Repairs 6.4.2 Installing left / right side panel ► Install side panel in reverse sequence. 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 38 of 65...
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Page 39: Removing/Installing Control Panel
Repairs Removing/installing control panel 3. Remove screws (2). 4. Disengage catch elements (1). Prerequisite: • Worktop has been removed. 6.5.1 Disassembling the control panel 1. Remove condensate container. 6. Remove the control panel. 7. Remove data cable 6.5.2 Installing control panel. ►... -
Page 40: Flashing The Power Module
Repairs Flashing the power module Use connections option 2 if there is no SI connection on the Required tools: operating module. ? IS (BSH I-Service software) ? UDA kit ([ 341247] ) Connections option 2 Prerequisite: • I-Service software has been installed on the customer service PC. •... - Page 41 Repairs 6.6.2 Flashing module with I-Service 1. Start I-Service software on the customer service PC. 2. Enter E-number of the appliance in the E-number field. 6. Press Flash button. Result: Start flashing window is displayed. 4. Confirm entry by pressing Continue button. Result: Flash window is displayed.
- Page 42 Repairs Failure to do so will make the power module unprogrammable! ► Switch on appliance and leave switched on. 11. Press Start button and wait until flashing is complete (see progress bar). 8. Select the power module in the drop-down list and confirm selection with Continue button.
- Page 43 Repairs 13. Use the OK button to conclude flashing the power module. If flashing is not successful, an error message is displayed. Termination may occur for the following reasons: • Electrical connection between UDA and electronics faulty. • Appliance not switched on or no power supply. 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 43 of 65...
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Page 44: Removing/Installing The Power Module
Repairs Removing/installing the power module Prerequisite: • Worktop has been removed. 6.7.1 Removing the power module Graphic 17:Position of power module Catch elements 2. Remove conductor (1). 3. Pull cables out of the cable holders on the power module (3) and on the plastic crossmember (2). - Page 45 Repairs 6.7.2 Installing the power module ► Install power module in reverse sequence. 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 45 of 65...
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Page 46: Removing/Installing Front Panel
Repairs Removing/installing front panel Screw Screw Screw Screw Prerequisite: • Worktop has been removed. • Control panel has been removed. • Door has been removed. • Door seal has been removed. • Air inlet panel has been removed. • Maintenance cover has been removed. •... -
Page 47: Removing/Attaching Air Inlet Panel
Repairs Removing/attaching air inlet panel 6.9.1 Removing air inlet panel 2. Disengage catch elements using a suitable tool. Graphic 19:Air inlet panel 3. Remove air inlet panel. Catch element Required tools: 6.9.2 Attaching air inlet panel ? None ► Insert air inlet panel until it audibly clicks into position. Prerequisite: •... -
Page 48: Remove/Install Electrodes For Conductivity Measurement
Repairs 6.10 Remove/install electrodes for conductivity 6.10.1 Remove electrodes for conductivity measurement measurement 1. Remove lint filter. Prerequisite: • Worktop has been removed. • Control panel has been removed. • Door has been removed. • Front panel has been removed. 2. - Page 49 Repairs 3. Remove cover of electrode holder (2) inside drum. 4. Take electrode holder out of appliance. 5. Disconnect electrical connections (3). 6.10.2 Install electrodes for conductivity measurement ► Install electrodes for conductivity measurement in reverse order. 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 49 of 65...
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Page 50: Replacing Door Switch
Repairs 6.11 Replacing door switch 6.11.1 Removing the door switch Prerequisite: • Worktop has been removed. • Control panel has been removed • Door has been removed. • Front panel has been removed. 2. Remove electrical connection (1) from door switch (2). 3. - Page 51 Repairs 6.11.2 Installing door switch ► Install door switch in reverse order. 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 51 of 65...
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Page 52: Replacing Rollers
Repairs 6.12 Replacing rollers Roller Prerequisite: • Worktop has been removed. • Side panels have been removed. • Drum has been removed. • Rear panel has been removed. 6.12.1 Removing rollers 1. Remove screw. 2. Remove rollers (1) together with bearing from end shield. 6.12.2 Installing rollers ►... -
Page 53: Clean The Filters
Repairs 6.13 Clean the filters Prerequisite: • Lint filter has been removed. Further information can be found in the following document: • Video "Cleaning lint filter (AVC) - cleaning lint filter heat If the appliance has not been used for some time, clean the pump dryer "... -
Page 54: Replacing The Door Lock
Repairs 6.14 Replacing the door lock 2. Remove screws from door lock cover and remove door lock cover. Required tools: ? None Prerequisite: • None 6.14.1 Removing the door lock 4. Take door lock out of the appliance. 6.14.2 Installing the door lock ►... -
Page 55: Removing The Fan Drum (Process Air)
Repairs 6.15 Removing the fan drum (process air) 6.15.1 Removing fan drum (process air) 2. Fix motor shaft with a wrench (3). 3. Dismantle fan drum (process air) (4) in an anti-clockwise direction using a socket wrench. 4. Take fan drum (process air) out of the appliance. 6.15.2 Assembling fan drum (process air) Graphic 21:Fan drum (process air) (4) -
Page 56: Replace Scraping Fan Wheel
Repairs 6.16 Replace scraping fan wheel. 3. Remove and dispose of rear bearing plate Required tools: ? [ Repair set 11003634] Prerequisite: • Worktop, right side panel removed • Connecting cable detached from rear panel • Side support unclipped • Left side panel detached •... -
Page 57: Replacing Motor
Repairs 6.17 Replacing motor Electrical connection Wheel Motor shaft Motor support Tension spring Prerequisite: • Worktop has been removed. • Right side panel has been removed. • Drive belt has been removed. 6.17.1 Removing motor 1. Remove electrical connections from the motor (1) and protect against damage. 2. -
Page 58: Opening / Closing Refrigeration Circuit
Repairs 6.18 Opening / closing refrigeration circuit Tapping area (pressure side) Area to be cut through (on pressure side) Area to be cut through (on suction side) Prerequisite: • Worktop has been removed. • Right side panel has been removed. •... -
Page 59: Cleaning Condenser
Repairs 6.19 Cleaning condenser 2. Using a knife, cut out bottom group along the specified contour. 3. Carefully remove fluff from the evaporator. Prerequisite: • Left and right side panels have been removed. 4. Install maintenance door ([ 646776] ). Gills coated with paint. -
Page 60: Removing / Installing Drum Bearing
Repairs 6.20 Removing / installing drum bearing Drum shaft Bolts Inner and outer raceway Retaining ring Bearing block Bearing cover Prerequisite: • Worktop has been removed. • Outer and inner process air cover has been removed. 6.20.1 Removing drum bearing 1. -
Page 61: Removing / Installing The Journal
Repairs 6.21 Removing / installing the journal 2. Unscrew plastic rivets (1) using countersinking tool (2). Required tools: 6.21.2 Installing journal ? Countersinking tool ([ 341299] ) Prerequisite: • Worktop has been removed. • Fascia has been removed. ► Do not attach journal with the rivets. Use holes between the rivets. •... -
Page 62: Removing/Installing Fan (Cooling Air)
Repairs 6.22 Removing/installing fan (cooling air) Catch element Screw Prerequisite: • Air inlet panel has been removed. 6.22.1 Removing fan (cooling air) Catch element has been fitted ex works with two stabilising bars. During removal, cut through the bars using a suitable tool. 1. -
Page 63: Replacing Condensate Pump
Repairs 6.23 Replacing condensate pump [ Condensate pump and fill level indicator can only be replaced together.] 6.23.1 Removing the condensate pump 5. Remove electrical connections (1) and microswitches (3). 6. Remove hose (2) from condensate pump. 2. Disengage catch elements on rear of appliance using a screwdriver. 3. - Page 64 Repairs 8. Disengage holder using a suitable tool and take condensate pump with holder out of the appliance. 6.23.2 Installing condensate pump ► Install condensate pump in reverse sequence. 2015-09-07 / DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 64 of 65...
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Page 65: Installing Maintenance Door
Repairs 6.24 Installing maintenance door 3. Fill condensate container with clean water. 4. Start customer test programme P15. There is a video sequence available in the Quick Finder for this maintenance step. Prerequisite: • Air inlet panel has been removed. •...