Panasonic NA-126MB1WSA Service Manual Download Page 31

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Before repairing, use multimeter to judge circuit stand of fail

(Universal Motor)

8 CHECK POINT OF CIRCUIT

No Parts

Picture

Test Description

Parameter

Remarks

Water

Level

Switch

1.Measuring two

straight line

terminals

2.Measuring two

vertical terminals

Break over after blow-

PASS

2 Door

lock

Electrify the

resistance

2 seconds after the

power supply can

automatically locked

1-2 mins after the

power off can

automatically locked-

PASS

3 Water

valve

measuring

resistance

Resistance value range

3-6KΩ-

PASS

4 Pump

Measure the

resistance of the

toroids

Resistance value range

150-250Ω-

PASS

Heater

measuring

resistance

Resistance value range

20-35Ω-

PASS

6 NTC

measuring

resistance

Resistance value range

4.8kΩ±8%@25℃0-

PASS

6 Motor

Measure the

resistance of the

toroids

Resistance value range

PIN5~PIN10

1.3±10%Ω-

PASS

Summary of Contents for NA-126MB1WSA

Page 1: ...126MB1LSA NA 475MB1WSA NA 475MB1LSA NA 126MB1WAS NA 126MB1LAS NA 127MB1WAS NA 127MB1LAS NA 148MB1WAS NA 148MB1LAS NA 127MB1LZA NA 148MB1LZA Model No Product Color White Silver Destination India KSA UAE Oman South Africa Kuwait 12 EXPLODED VIEW AND PART LIST 44 ...

Page 2: ...ng and precautions that are described on part labels and in the owner manual 1 2 2 Parts Assembly and Wiring Be sure to use insulation material such as tube and tape And be sure to restore all parts and wires to their original position Take special care to avoid contact with sharp edges 1 2 3 Perform Safety Checks after Servicing After servicing check to see that the screws parts and wiring are re...

Page 3: ...ASSEMBLE Indicates prohibition act must not be conducted Specific instruction is followed by a graphic or characters in or near DO NOT Symbol left warns not to disassemble UNPLUG Indicates forcing act must be conducted Specific instruction is followed by a graphic or characters in or near Symbol left warns to unplug the power cord Means secondary damages of property furniture domestic animal and p...

Page 4: ... for the washing machine Otherwise an electric shock or ignition may cause Sharing the same socket with other instrument causes heating of a branch socket and result in a fire CONNECT GROUNDING WIRE Connect the grounding wire Failing to do so may cause an electric shock when a short circuit occurs Consult an electric work shop or a sales shop DO NOT USE WET PLACE Do not install in a bath room or a...

Page 5: ...ing standard Incorrect work causes an electric shock and a fire DO NOT PULL Do not pull the power cord when unplugging Hold the power plug to unplug An electric shock or short circuit may cause a fire DANGER HAND Do not insert your hand under the washing machine during operation There is a rotary part under the machine which may cause an injury WATER LEAKAGE Before starting washing open the faucet...

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Page 13: ...iring Diagram PCB Layout 4 3 PCB Layout Universal Motor 1 Moto 2 Inlet Valve Drain Pump Door Lock 3 Moto Tacho 4 Temp Sensor Water Sensor 5 Noise Filter Heater 6 Noise Filter Drain Pump Door Lock 1 2 3 4 5 6 ...

Page 14: ...Item t01 Version switchover 1 Press K8 button 2 Press K2 to confirm switchover 3 Press K3 to change version 4 Press K2 button continuously for 3s to confirm your change LED displays 0xx x means current version t02 Error code checking 1 Press K8 button 2 Press K1 to show the last code and press K2 to show the next code 3 Press K2 and K3 button at the same time continuously for 3s after hearing the ...

Page 15: ...r get the main wash level LED displays LL t07 Water temperature sensor and heater checking Press K8 button to activate the main inlet valve and get the water lever to heating level then turn on the heater and 5 mins later turned off automatically LED displays the current temperature t08 Inlet valve checking 1 Press K8 button LED displays uu and switch on the main wash inlet valve for 10 min 2 Pres...

Page 16: ...ates in 45r m clockwise for 15s and stop for 10s then rotates counterclockwise for 15s over and over again LED displays tUB t10 Spin speed checking Press K8 button the number on the display goes up in the same pace with the real speed and when it reach 400rpm you need to press K1 button to get the machine to reach its target speed LED displays spn ...

Page 17: ...alve is open Press K1 or 3 seconds later again display U1 main wash valve is close pre wash valve is open Press K1 or 3 seconds later again display PuP pre wash valve is close drain pump is open Press K1 or 3 seconds later again display HEA drain pump is close HTC is open Press K1 or 3 seconds later again the heater is close the motor rotates forward 3 seconds stop 2 seconds display the motor spee...

Page 18: ...s the washing machine by PCB If the water level control switch is defective or more commonly if the small air pipe attached to the air bell restricted The switch will not be able to close the electrical contacts to the washer fill valve CHECK THE AIR PIPE CHECK THE WATER LEVERL SENSOR CHECK THE PCB and the inner wire between PCB and the sensor E12 The water level in drum exceed a certain level for...

Page 19: ...struction before replacing the pump PCB Check the PCB E30 Door can t be unlocked with over 3 time s fail Door lock Check the door hook and the door lock to get correct location PCB If the washer door won t unlock the problem might be the main The PCB This is not common Check the inner wire between the PCB and the door lock E33 The PCB can not detect the signal of the water level sensor Water level...

Page 20: ...r drive 1 Check the speed transmit line of the motor to prevent fall of 2 Check the PCB and the motor 3 Check the motor communicate wire E62 The speed don t transmit signal abnormality Triac get broken 1 Check the speed transmit line of the motor to prevent fall of 2 Check the PCB and the motor 3 Check the motor communicate wire ...

Page 21: ...ree 1 Maintenance non heating malfunction Change the PCB Whether the connection is correct Reliable connection Whether NTC is short or open circuit Change NTC Non heating Change the heater Whether the heater is well Y Y N Y N N Y ...

Page 22: ...tween the PCB and the door lock is correct Connect the PCB and door lock correctly Whether the door is closed correctly Close the door correctly Door non locked Check the door lock is well or not N Y Y N Change the door lock N Y 7 TROUBLESHOOTING Change the PCB Y ...

Page 23: ...ndard Whether the tap is open Open the tap Whether the Drain Hose is hung up beyond the height of 100cm N N Hang up the drain hose N Y Whether the inlet filter net is blocked Clean it with brush Whether the inner wire connection is correct Y Y Reliable the connection N whether the inlet valve is well N Change the inlet valve N Y 25 7 TROUBLESHOOTING Change the PCB Y Y ...

Page 24: ...26 4 Over heating circuit open circuit Change the NTC Over heating N Y Y Whether NTC is well 7 TROUBLESHOOTING Change the PCB ...

Page 25: ...g time Whether the pump is blocked Non drain or overtime drain Change the PCB Clean the filter N Y Y Change the drain pump N Whether the pump is well N 7 TROUBLESHOOTING Whether the Drain Hose is hung up beyond the height of 100cm Hang up the drain hose N Y ...

Page 26: ...let overflow malfunction maintenance whether the inlet valve is well Change the PCB Whether the pressure switch is well Change pressure switch Water inlet overflow Change the inlet valve Y Y Y N N 7 TROUBLESHOOTING ...

Page 27: ...is installed correctly Drum non rotating Installed the belt correctly The drum is blocked Reliable the connection N Shut down the power open the door and Rotate the drum check the drum rotate flexibly or not N N Y Y Y Y 7 Drum non rotating malfunction maintenance 7 TROUBLESHOOTING ...

Page 28: ...ater at the same time Whether the washer is disposing the foam in the drum Change the PCB Normal phenomenon Hang the hose well Water inflow and drain off water at the same time Whether the drain hose is hung up too low N N Y Y Y 7 TROUBLESHOOTING ...

Page 29: ... select rinse or spin programme or brush away the fleck with the brush when the clothes is dried The washing machine does not fill Open the water tap Check the selection of the procedure Check the water Pressure to see if the water pressure is insufficient Put through the feed water Close the washing machine s door To check it the inlet water pipe is bent or blocked The washing machine fills and e...

Page 30: ...r water cut The drainage pump has noise during the operation when the water has just been drained The inner barrel water of the washing machine has been drained but there is still a small amount of water in the drainage pump and pipe The drainage pump continuously operates and takes in the air and at this time there is the noise which is normal situation To stop for some time during the wash proce...

Page 31: ...e resistance 2 seconds after the power supply can automatically locked 1 2 mins after the power off can automatically locked PASS 3 Water valve measuring resistance Resistance value range 3 6KΩ PASS 4 Pump Measure the resistance of the toroids Resistance value range 150 250Ω PASS 5 Heater measuring resistance Resistance value range 20 35Ω PASS 6 NTC measuring resistance Resistance value range 4 8k...

Page 32: ...e resistance 2 seconds after the power supply can automatically locked 1 2 mins after the power off can automatically locked PASS 3 Water valve measuring resistance Resistance value range 3 6KΩ PASS 4 Pump Measure the resistance of the toroids Resistance value range 150 250Ω PASS 5 Heater measuring resistance Resistance value range 20 35Ω PASS 6 NTC measuring resistance Resistance value range 4 8k...

Page 33: ...bly 5 Undo the front plate 6 Undo the detergent box 7 Undo the inlet valve 8 Undo the pressure switch 9 Undo the drain pump 10 Undo the pulley and motor 11 Undo the absorber pin from the cabinet 12 Undo the drum tub assembly 13 Undo the absorber pin from the drum 14 Undo the heater and NTC 9 UNPACKING WAYS OF MAIN PARTS 35 ...

Page 34: ...36 ...

Page 35: ...en the door seal and the front plate Loosen the inner gasket clamp between the door seal and the front of the outer tub Undo the door lock I Remove two screws on the door lock and take down the door lock II Take out the door lock and draw out the plug 5 Undo the front plate I Remove the lower cover II Undo five screws in front plate III Put the front plate up to the clasp of the front plate away f...

Page 36: ...then take out the detergent box 1 7 Undo the inlet valve I Remove the top cover II Undo 2 screws between cabinet and inlet valve III Release the clamp fixing the inlet valve and the inlet hose and then pull out the inlet hose 8 Undo the pressure switch I Pull out the plugs on the pressure switch II Undo a screws between cabinet and pressure switch III Take out the pressure switch ...

Page 37: ...oosen the screws fitted on the drain pump and then pull out the drain pump 10 Undo the pulley and motor Undo the pulley Rotate the pulley and at the same time pull out the belt Undo the motor I Let the machine lie down on the back and then pull out the motor wire and grounding wire II Use spanner to remove the motor screw and lift up the motor with the other hand in case of falling to the drain pu...

Page 38: ...absorber pin out from back lightly in the same way remove the other one 12 Undo the drum tub assembly Undo the upper and façade counterweight I Remove 3 screws fit on the upper counterweight and then pull out it II Remove 6 screws pull out the facade counterweight Undo the panel support Remove two screws fixing the panel support and then remove it ...

Page 39: ...ve the screws fixing the front and rear tub and then remove the tub VI Remove the inner drum kit 13 Undo the absorber from the drum I Lift out the outer tub kit II Undo the absorber pin between absorber and rear tub remove the absorber 14 Undo the heater and NTC I Pull out the heater plug II Pull out the NTC ...

Page 40: ...42 10 SERVICE TOOLS ...

Page 41: ...Screw Screw Screw Screw 43 ...

Page 42: ...rain Hose Catch 1 301130600275 7 Water Level Sensor 1 302401400003 8 Door Lock 1 302430660038 9 Lint Filter Door 1 301130860193 10 Service Plate Box 1 301130761041 11 Door Gasket Spring Clip Spring 1 302930600028 12 Door Hinge Assemble Bracket 1 301230600063 13 Front Panel 1 301230760279 14 Adjustable Foot Assembly 4 302930700025 15 Cabinet Assembly 1 301230760280 16 Front Panel Pin 2 301130750001...

Page 43: ... And Printing 1 3011306A1922 27 Control Panel Assembly 1 3011307A2657 28 Silicone Button 2 302760860002 29 Cycle Select Knob Assembly 1 301130800828 30 PCB 1 301330660293 31 Water Inlet Valve 1 302419950012 32 Tub Water Inlet Hose Assembly 1 302730800019 33 Suspension Spring 2 302930600020 34 Rear Conterweight 1 302930660011 35 Pulley 1 302930660018 36 Belt 1 302730600010 37 1 Rear Tub Assembly 1 ...

Page 44: ...43 Front Left Counterweight 1 302930700060 44 Drain Pump 1 302400610004 45 Door Gasket Clamp 1 302930600029 46 Door Gasket 1 302730960001 47 Heater 1 302430660045 48 Heater Support 1 301130600163 ...

Page 45: ...rain Hose Catch 1 301130600275 7 Water Level Sensor 1 302401400003 8 Door Lock 1 302430660038 9 Lint Filter Door 1 301130860193 10 Service Plate Box 1 301130761041 11 Door Gasket Spring Clip Spring 1 302930600028 12 Door Hinge Assemble Bracket 1 301230600063 13 Front Panel 1 301230760279 14 Adjustable Foot Assembly 4 302930700025 15 Cabinet Assembly 1 301230860095 16 Front Panel Pin 2 301130750001...

Page 46: ... And Printing 1 3011307A2659 27 Control Panel Assembly 1 3011307A2657 28 Silicone Button 2 302760860002 29 Cycle Select Knob Assembly 1 301130800828 30 PCB 1 301330760344 31 Water Inlet Valve 1 302419950012 32 Tub Water Inlet Hose Assembly 1 302730800019 33 Suspension Spring 2 302930760023 34 Rear Conterweight 1 302930760012 35 Pulley 1 302930800032 36 Belt 1 302730660008 37 1 Rear Tub Assembly 1 ...

Page 47: ...43 Front Left Counterweight 1 302930760021 44 Drain Pump 1 302400610004 45 Door Gasket Clamp 1 302930600029 46 Door Gasket 1 302730960001 47 Heater 1 302430660045 48 Heater Support 1 301130600163 ...

Page 48: ...rain Hose Catch 1 301130600275 7 Water Level Sensor 1 302401400003 8 Door Lock 1 302430660038 9 Lint Filter Door 1 301130860193 10 Service Plate Box 1 301130761041 11 Door Gasket Spring Clip Spring 1 302930600028 12 Door Hinge Assemble Bracket 1 301230600063 13 Front Panel 1 301230760279 14 Adjustable Foot Assembly 4 302930700025 15 Cabinet Assembly 1 301230760280 16 Front Panel Pin 2 301130750001...

Page 49: ... And Printing 1 3011307A2656 27 Control Panel Assembly 1 3011307A2657 28 Silicone Button 2 302760860002 29 Cycle Select Knob Assembly 1 301130800828 30 PCB 1 301330760339 31 Water Inlet Valve 1 302419950012 32 Tub Water Inlet Hose Assembly 1 302730800019 33 Suspension Spring 2 302930600020 34 Rear Conterweight 1 302930660011 35 Pulley 1 302930660018 36 Belt 1 302730600010 37 1 Rear Tub Assembly 1 ...

Page 50: ...43 Front Left Counterweight 1 302930700060 44 Drain Pump 1 302430660003 45 Door Gasket Clamp 1 302930600029 46 Door Gasket 1 302730960001 47 Heater 1 302430660045 48 Heater Support 1 301130600163 ...

Page 51: ...rain Hose Catch 1 301130600275 7 Water Level Sensor 1 302401400003 8 Door Lock 1 302430660038 9 Lint Filter Door 1 301130800899 10 Service Plate Box 1 301130800898 11 Door Gasket Spring Clip Spring 1 302930600028 12 Door Hinge Assemble Bracket 1 301230600063 13 Front Panel 1 301230800159 14 Adjustable Foot Assembly 4 302930700025 15 Cabinet Assembly 1 301230760283 16 Front Panel Pin 2 301130750001...

Page 52: ... And Printing 1 3011307A2662 27 Control Panel Assembly 1 3011307A2660 28 Silicone Button 2 302760860002 29 Cycle Select Knob Assembly 1 301130800828 30 PCB 1 301330760337 31 Water Inlet Valve 1 302419950012 32 Tub Water Inlet Hose Assembly 1 302730800019 33 Suspension Spring 2 302930600020 34 Rear Conterweight 1 302930660011 35 Pulley 1 302930660018 36 Belt 1 302730600010 37 1 Rear Tub Assembly 1 ...

Page 53: ...43 Front Left Counterweight 1 302930700060 44 Drain Pump 1 302430660003 45 Door Gasket Clamp 1 302930600029 46 Door Gasket 1 302730960001 47 Heater 1 302430660045 48 Heater Support 1 301130600163 ...

Page 54: ...rain Hose Catch 1 301130600275 7 Water Level Sensor 1 302401400003 8 Door Lock 1 302430660038 9 Lint Filter Door 1 301130860193 10 Service Plate Box 1 301130761041 11 Door Gasket Spring Clip Spring 1 302930600028 12 Door Hinge Assemble Bracket 1 301230600063 13 Front Panel 1 301230760279 14 Adjustable Foot Assembly 4 302930700025 15 Cabinet Assembly 1 301230860095 16 Front Panel Pin 2 301130750001...

Page 55: ... And Printing 1 3011308A1753 27 Control Panel Assembly 1 3011307A2657 28 Silicone Button 2 302760860002 29 Cycle Select Knob Assembly 1 301130800828 30 PCB 1 301330860100 31 Water Inlet Valve 1 302419950012 32 Tub Water Inlet Hose Assembly 1 302730800019 33 Suspension Spring 2 302930760023 34 Rear Conterweight 1 302930760012 35 Pulley 1 302930800032 36 Belt 1 302730660008 37 1 Rear Tub Assembly 1 ...

Page 56: ...43 Front Left Counterweight 1 302930760021 44 Drain Pump 1 302430660003 45 Door Gasket Clamp 1 302930600029 46 Door Gasket 1 302730960001 47 Heater 1 302430660045 48 Heater Support 1 301130600163 ...

Page 57: ...rain Hose Catch 1 301130600275 7 Water Level Sensor 1 302401400003 8 Door Lock 1 302430660038 9 Lint Filter Door 1 301130800899 10 Service Plate Box 1 301130800898 11 Door Gasket Spring Clip Spring 1 302930600028 12 Door Hinge Assemble Bracket 1 301230600063 13 Front Panel 1 301230800159 14 Adjustable Foot Assembly 4 302930700025 15 Cabinet Assembly 1 3012308A0050 16 Front Panel Pin 2 301130750001...

Page 58: ... And Printing 1 3011308A1754 27 Control Panel Assembly 1 3011307A2660 28 Silicone Button 2 302760860002 29 Cycle Select Knob Assembly 1 301130800828 30 PCB 1 301330860086 31 Water Inlet Valve 1 302419950012 32 Tub Water Inlet Hose Assembly 1 302730800019 33 Suspension Spring 2 302930760023 34 Rear Conterweight 1 302930760012 35 Pulley 1 302930800032 36 Belt 1 302730660008 37 1 Rear Tub Assembly 1 ...

Page 59: ...43 Front Left Counterweight 1 302930760021 44 Drain Pump 1 302430660003 45 Door Gasket Clamp 1 302930600029 46 Door Gasket 1 302730960001 47 Heater 1 302430660045 48 Heater Support 1 301130600163 ...

Page 60: ...rain Hose Catch 1 301130600275 7 Water Level Sensor 1 302401400003 8 Door Lock 1 302430660038 9 Lint Filter Door 1 301130800899 10 Service Plate Box 1 301130800898 11 Door Gasket Spring Clip Spring 1 302930600028 12 Door Hinge Assemble Bracket 1 301230600063 13 Front Panel 1 301230800159 14 Adjustable Foot Assembly 4 302930700025 15 Cabinet Assembly 1 3012308A0050 16 Front Panel Pin 2 301130750001...

Page 61: ... And Printing 1 3011308A1754 27 Control Panel Assembly 1 3011308A1755 28 Silicone Button 2 302760860002 29 Cycle Select Knob Assembly 1 301130800828 30 PCB 1 301330860086 31 Water Inlet Valve 1 302419950012 32 Tub Water Inlet Hose Assembly 1 302730800019 33 Suspension Spring 2 302930760023 34 Rear Conterweight 1 302930760012 35 Pulley 1 302930800032 36 Belt 1 302730660008 37 1 Rear Tub Assembly 1 ...

Page 62: ...43 Front Left Counterweight 1 302930760021 44 Drain Pump 1 302430660003 45 Door Gasket Clamp 1 302930600029 46 Door Gasket 1 302730960001 47 Heater 1 302430660045 48 Heater Support 1 301130600163 ...

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