Page 1: Table Of Contents
10.9. Upper Support Bracket --------------------------------- 24 6.5. Child Lock -------------------------------------------------- 11 10.10. Detergent Drawer Housing ---------------------------- 24 7 Test Mode ----------------------------------------------------------12 10.11. Power Cable Group and Parasite Filter ------------ 25 © Panasonic Corporation 2012 Unauthorized copy- ing and distribution is a violation of law.
Page 2 10.12. Electronic Pressure Switch (EPS) ------------------- 26 10.13. Door Lock -------------------------------------------------- 26 10.14. Pump Motor------------------------------------------------ 26 10.15. Front Counterweight------------------------------------- 27 10.16. Heater ------------------------------------------------------- 27 10.17. Twinjet System-------------------------------------------- 28 10.18. Tub Bellows Seal----------------------------------------- 29 10.19. Transport Screw ------------------------------------------ 29 10.20. Upper Counterweight------------------------------------ 30 10.21.
Page 3: Safety Precautions
1 Safety Precautions...
Page 4: Specifications
2 Specifications 2.1. Product Specifications NA-127VB4 NA-128VB4 NA-147VB4 NA-148VB4 Product Type Front Loader Front Loader Front Loader Front Loader Capacity 7 kg 8 kg 7 kg 8 kg Max Spin Speed 1200 r/min 1200 r/min 1400 r/min 1400 r/min Drum Volume 50 L 60 L 50 L...
Page 5: Technical Descriptions
3 Technical Descriptions 3.1. Twinjet Information 1. Twinjet system is designed to obtain a better washing performance by directly injecting water with detergent using a recirculation system and two nozzles connected to it. With twinjet system, water consumption is decreased by 30%, energy consumption is decreased by 10% and washing time is decreased by 15% 2.
Page 6: Location Of Controls And Components
4 Location of Controls and Components...
Page 7: Installation Instructions
5 Installation Instructions 5.1. Moving and Installing 5.1.1. Removal of Transportation Screw 5.1.2. Foot Adjustment 1. Transportation screws, which are located at the back side 1. Do not install machine on rugs or similar surfaces. of the machine, must be removed before running the 2.
Page 8: Detergent Box Group
5.2. Detergent Box Group 5.1.4. Water Supply Connection 1. Washing machine is supplied with a single (cold) water inlet. 2. To prevent leakage from the connection joints, a rubber washer is included in the hose packing. Fit this washer at the end of water inlet hose on the tap side.
Page 9: Operating Instructions
6 Operating Instructions 6.1. LCD Screen, Function Buttons & Knobs Program selector 16 programs with ON/OFF. Switch 1, Start / Pause Switch 2, Temperature Selection Switch 3, Delay Time Function Switch 4, Extra Rinse PT speed potentiometer Switch 1- Start/ Pause Led Temperature Function Button Led Delay Time Function Button Led Extra Rinse Function Button Led...
Page 10: Program Details
6.3. Program Details NA-148VB4 NA-128VB4 Programmes Available Program Energy Water Temperature Duration (min)* (kwh)* Consumption (L)* Cotton Cold - 90 0,92 Cotton Eco Cold - 60 0,76 Cotton PreWash Cold - 90 0,98 Easy Care Cold - 60 0,60 Coulors Cold - 40 0,91 Wool...
Page 11: Program Details With Half Load Defection
6.4. Program Details with Half Load Defection NA-148VB4 NA-128VB4 Full Load / Half Load Programmes Available Program Energy Water Temperature Duration (min)* (kwh)* Consumption (L) Full Load Cotton Eco Cold - 60 0,72 Cotton Eco Cold - 60 0,76 Half Load HL Cotton Eco Cold - 60 0,64...
Page 12: Test Mode
7 Test Mode 7.1. Autotest 1. After selecting spin speed to max, select the program 3 (Cotton Eco) 2. While pressing Extra Rinse button, change position of the third to second, and release the Extra Rinse button imme- diately. 3. Autotest starts.
Page 14: Service Mode
8 Service Mode 8.1. Service Autotest 1. Set program knob at Cotton Eco after selection spin speed to max. 2. While pressing the T °C button, change position of the third to second, and remove the T °C button within 1 second. During test [SAU] is visualized on display : LD1 Start / Pause Button LED →...
Page 15: Failure Codes
8.2. Failure Codes Error Indication Error Number Indication For User Indication For Service Yes/No Yes/No Door is not locked Door is unlocked during programme Lack of water Pump failure Overflow NTC or Heater Failure Motor Failure - 1 (Tachometer open-short circuit or motor connector is disconnected) Motor Failure - 2 (triac short circuit) Electronic Pressure Sensor...
Page 16: Troubleshooting Guide
9 Troubleshooting Guide All repairs which must be done on the machine should be done by authorized agents only. When a repair is required for machine or you are unable to eliminate the failure with the help of the information given below: •...
Page 17: Disassembly And Assembly Instructions
10 Disassembly and Assembly Instructions 10.1. Torque Values ASSEMBLY LOCATION PART NAME SAP CODE TORQUE TORQUE TORQUE MIN. (Nm) NOM. (Nm) MAX. (Nm) Parazit Filter - Cabinet Assembly ISO 7049 ST 4.2X9.5 R Underhead Serrated 35001817 2,34 2,60 2,86 Pressure Switch Supporting Plastic - SCREW 4X12 PAN HEAD WITH COLLAR UNDER 37013513 1,44...
Page 18: Top Plate
10.2. Top Plate 1. Remove two screws that fix the top-plate at the back. 2. Pull the door up. 2. Push the top-plate back and pull it up. 3. Remove screws that fix the door group. 10.3. Door 1. Remove two screws that fix the door. (by using the T25)
Page 19 4. Put the door outside plastic with helping screwdriver as it 7. Remove the door handle as it is shown in the picture. is shown in the picture. 8. Remove the door handle pin as it is shown in the pictures. 5.
Page 20: Spring Wire
10.4. Spring Wire 10.5. Detergent Drawer 1. First remove the spring wire fixing the tub bellows seal by 1. Remove the detergent drawer and pull it up carefully. using the small size screw driver. Pull the tub bellows seal as it is shown in the picture. 2.
Page 21: Control Panel
10.6. Control Panel 4. Remove connectors as it is shown in the picture. 1. Remove the screw which fix the control panel to the front panel. 5. Remove electronic card cover as it is shown in the pic- tures by using small screw driver. 2.
Page 22: Kick Plate
10.7. Kick Plate 10.8. Front Panel 1. Remove the right part of the kickplate as it is shown in the 1. Remove two screws fixing the front panel at the bottom as picture. it is shown in the picture by using T25. 2.
Page 23 3. Remove the tub bellows seal as it is shown in the pic- 6. Remove twinjet t-elbow fixing front panel at the upper as it tures. is shown in the picture. 4. Remove two screws fixing front panel at the upper as it is 7.
Page 24: Upper Support Bracket
10.9. Upper Support Bracket 10.10. Detergent Drawer Housing 1. Remove two screws fixing the body group at the front as it 1. Remove the tub seal clamp by using the pliers, which is is shown in the picture. attached to the detergent drawer housing. 2.
Page 25: Power Cable Group And Parasite Filter
4. Remove the detergent drawer housing assembly. 3. Pull the power cable group up as it is shown in the pic- ture. 4. Remove parasite fitler fixing body group as it is shown in 10.11. Power Cable Group and Para- the picture.
Page 26: Electronic Pressure Switch (Eps)
10.12. Electronic Pressure Switch 10.13. Door Lock (EPS) 1. Remove the connector that is connected to the door lock. 1. Remove the connector that is connected to the EPS. 10.14. Pump Motor 2. Pull the EPS upward to remove as it is shown in the pic- ture.
Page 27: Front Counterweight
10.15. Front Counterweight 3. Remove the connector that is connected to the pump motor. 1. Remove four screws fixing the front counterweight on the front. (Box wrench size 13 mm) 4. Remove four screws fixing the pump motor. 2. Pull the counterweight back. 5.
Page 28: Twinjet System
2. Remove one nut fixing the heater slightly (box wrench 2. Remove the two twinjet hoses from the gasket. size 8 mm) 3. Remove screw fixing the circulation pump (using T20) 3. Hold the heater and pull it out. 4. After lay down the washer on its rear side, and press the pawl inward.
Page 29: Tub Bellows Seal
5. Remove the circulatin pump. 2. Hold the tub bellows seal and gasket-body fixing spring together, and pull them up. 6. Remove the connector that is connected to the circulation pump. 10.19. Transport Screw 1. Remove four transport screws. (box wrench size 10 mm) 10.18.
Page 30: Upper Counterweight
10.20. Upper Counterweight 2. Cut the five lead wire holders as shown the pictures. 1. Remove two screws fixing the upper counterweight by using box wrench size 13 mm. 3. Remove the four screws fixing the spring hanger sheet 2. Remove the upper counterweight. iron.
Page 31: Shock Absorber Pin
10.22. Shock Absorber PIN 2. Remove the driven pulley it is shown the picture. 1. Remove two pins fixing the shock absorber as shown in the picture. 10.25. Motor 1. Remove the four screws fastening the motor under the 10.23. Belt tub by using T40.
Page 32: Tub Entrance With Bellow Hose
10.26. Tub Entrance with Bellow Hose 10.28. Tub 1. Remove the tub entrance with bellow hose. 1. Remove twenty four screws fixing tub using box wrench size 8 mm. 10.27. Pressure Switch Hose Group 1. Remove screw fixing the pressure switch water reservoir. 10.29.
Page 33: Measurements And Adjustments
11 Measurements and Adjustments 11.1. Drain Pump Drain pump is both a mechanical and elektrical component which is used to drain water inside the washing machine. It has an synchronous motor inside. For better performance main- tanance, pump filter should be cleaned regularly. 11.1.3.
Page 34: Circulation Pump
11.2. Circulation Pump The component is used for circulation of water inside the drum in order to increase washing performance. 11.2.3. Component Controlling By Con- nection Measurement 11.2.1. Technical Features Nominal voltage 220 - 240 V Frequency 50 Hz 169,5 Ω (±5 %) Resistor (coil) 11.2.2.
Page 35: Resistance
11.3. Resistance Heating element (Resistance) is a component which is des- ingned to regulate temperature of water inside the drum. It has three connections: Phase, notral and ground connections. 11.3.3. Component Controlling By Con- nection Measurement 11.3.1. Technical Features Kind of heating Tubular heating element with NTC - sensor Nominal voltage 230 V...
Page 36: Ntc
11.4. NTC 11.4.2. Checking of Component Check the resistance value on the component with multimeter Component which sends signals to PCB about the water tem- as shown in below pictures. perature inside the tub. The Resistance (Ohm) value of the NTC decreases as the tem- perature increases.
Page 37: Valve
11.5. Valve Valve is an electrical and mechanical component which is designed to take water from the network system into the wash- ine machine. It is operated by PCB card. 11.5.3. Component Controlling By Con- nection Measurement 11.5.1. Technical Features Nominal voltage 220 - 240 V Nominal power...
Page 38: Electronic Pressure Switch (Eps)
11.6. Electronic Pressure Switch (EPS) 11.6.1. Technical Features Electromagnetic field occurs as a result of the vibration of the membrane which is under pressure in the coil. The nucleus part is moved up and down by the electromagnetic field. The water level is regulated by the frequency which is controlled by the PCB and changes according to the movement of the nucleus part.
Page 39: Motor (For Na-127Vb4 And Na-147Vb4)
11.7. Motor (For NA-127VB4 and NA-147VB4) The washing machine has an asynchronous motor. It is controlled by the PCB. It is essential to check the motor for correct diagnosis and quick servicing. In the below picture, socket points on the motor is shown to measure with multimeter.
Page 40: Motor (For Na-128Vb4 And Na-148Vb4)
11.8. Motor (For NA-128VB4 and NA-148VB4) The washing machine has an asynchronous motor. It is controlled by the PCB. It is essential to check the motor for correct diagnosis and quick servicing. In the below picture, socket points on the motor is shown to measure with multimeter.
Page 41: Door Lock
11.9. Door Lock 11.9.2. Checking of Component Check the resistance value on the component with multi-meter Door lock is activated at the beginning of the program in order as shown in below figures. to prevent the door from opening. Locking is generated by sup- Resistance value on the (PTC overload + solenoid) should be plying power to PTC-bimetal, after max 6sec (220V), the 240Ω...
Page 42 11.9.3. Component Controlling By Con- nection Measurement This socket shows the connection between terminal 3-4 (See wiring diagram (***) above). The resistance read from terminal 3-4 is the resistance of PTC overload plus resistance of sole- noid.
Page 43: Dimensions
12 Dimensions...

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