Panasonic NA-126MB1WSA Service Manual
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Panasonic NA-126MB1WSA Service Manual

Front load washing machine
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Service Manual
Front Load Washing Machine
Model No.
NA-126MB1WSA NA-126MB1LSA
NA-475MB1WSA NA-475MB1LSA
NA-126MB1WAS NA-126MB1LAS
NA-127MB1WAS NA-127MB1LAS
NA-148MB1WAS NA-148MB1LAS
NA-127MB1LZA NA-148MB1LZA
Product Color : White/Silver
Destination
: India
12 EXPLODED VIEW AND PART LIST ...................
KSA
UAE
Oman
South Africa
Kuwait
44

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Summary of Contents for Panasonic NA-126MB1WSA

  • Page 1 Service Manual Front Load Washing Machine Model No. NA-126MB1WSA NA-126MB1LSA NA-475MB1WSA NA-475MB1LSA NA-126MB1WAS NA-126MB1LAS NA-127MB1WAS NA-127MB1LAS NA-148MB1WAS NA-148MB1LAS NA-127MB1LZA NA-148MB1LZA Product Color : White/Silver Destination : India Oman South Africa Kuwait 12 EXPLODED VIEW AND PART LIST ....
  • Page 2 1 Precaution When performing troubleshooting and part replacement during servicing, note the following safety precautions: 1.1 Safety Precautions 1.1.1 Use Genuine Parts The components of the washing machine have safety features such as non-combustibility and voltage with standing. Therefore, always use the same part as suggested by the maker. In particular be sure to use only designated parts in case of major safety parts identified by the marker.
  • Page 3 1 PRECAUTION 1.3 CAUTIONS FOR SAFETY Please observe the following notes for safety. • The symbols indicate as follows. • Symbol Meaning Indicates possibility of death or serious injury of a repair technician and a person nearby through the misconducted WARNING work , or of a user by a defect of the product after the work performed by the technician.
  • Page 4 1 PRECAUTION WARNING After repair, measure insulation resistance between the charging part(power cord plug) and the non-charging metallic part (ground) with an insulation resistance meter (500V).The resistance shall be 10M or more. CHECK INSULATION Failing to check the insulation resistance may cause a short RESISTANCE circuit, electric shock or other diseases to the customer.
  • Page 5 1 PRECAUTION WARNING Do not touch the laundry before the spin basket stops completely. The laundry entangles your hand causing an injury even if DO NOT TOUCH the basket rotates slowly. Pay special attention to children. Ask an electric work shop to install the product. Install the product securely and safely according to the electrical equipment technical standard and the wiring INSTALL...
  • Page 13 4 Wiring 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...
  • Page 14 5 FACTORY PATTEN DETECTION 5.1 Service mode Before entering into service mode, make sure no water remains in the inner drum, if not, select drain only program to drain them out. Turn on the machine and take turns [K3] [K5] [K3] [K5] buttons in 10s. Press [K1] or [K2] to select test program.
  • Page 15 5 FACTORY PATTEN DETECTION 5.1 Service mode Check Check Method Check Item Target Display The whole LED UI Checking Press [K8] button display flashes Press [K8] button to drain out all the Drain-pump remaining water. If all water drained out, LED LED displays “PPt”...
  • Page 16 5 FACTORY PATTEN DETECTION 5.1 Service mode Check Check Method Check Item Target Display Press [K8] button, inner drum rotates in Rotating 45r/m clockwise for 15s and stop for 10s then LED displays checking rotates counterclockwise for 15s, over and over “tUB”...
  • Page 17 5 FACTORY PATTEN DETECTION 5.2 Self-check - Turn on the machine , to take turns 【K3】【K5】【K3】【K5】,the door locked, enter the test mode, display the T01, press the 【K1】or 【K2】 to show “T15”. - Press [K8] button, put into the function test mode, display TST, then press again, display version number and project number;...
  • Page 18 6. MALFUNCTION CODES AND EXPLANATIONS Malfunction Reason Possible cause Solution code If the washer fills very slowly, the The water level water pressure from the house doesn’t changed in 3 might be too low. If the water inlet minutes during filling valve isn't leaking and there are the water.
  • Page 19 6. MALFUNCTION CODES AND EXPLANATIONS If the washer won't drain water check the drain hose. Be sure the hose did not get kinked behind Drain hose the washer. Also, remove the hose from the pump and check it for obstructions. In 3 minutes, If the washer won't drain water the water level...
  • Page 20 6. MALFUNCTION CODES AND EXPLANATIONS 1.Check the speed transmit line of The PCB can’t get the motor to prevent fall of The speed don’t speed transmit signal 2.Check the PCB and the motor transmit signal when the motor drive 3.Check the motor communicate wire 1.Check the speed transmit line The speed...
  • Page 21 7 TROUBLESHOOTING Fault tree 1. Maintenance non-heating malfunction Non-heating Whether NTC is short or open Change NTC circuit Whether the connection is Reliable connection correct Whether the Change the heater heater is well Change the PCB...
  • Page 22 7 TROUBLESHOOTING 2. Door non-locked & its maintenance Door non-locked Close the door Whether the door correctly is closed correctly Whether the inner Connect the PCB and wire between the door lock correctly PCB and the door lock is correct Check the door lock is well，or Change the door lock...
  • Page 23 7 TROUBLESHOOTING 3. No water inlet or water inlet overtime No water inlet or water inlet overtime Whether the tap is Open the tap open Whether the water Wait the water pressure is between pressure meet the 0.05MPa~1MPa standard Whether the Drain Hang up the drain Hose is hung up hose...
  • Page 24 7 TROUBLESHOOTING 4. Over heating Over heating circuit open circuit Whether NTC is well Change the NTC Change the PCB...
  • Page 25 7 TROUBLESHOOTING 5. Maintenance of non-drain or drain exceed the setting time Non-drain or overtime drain Whether the Drain Hang up the drain Hose is hung up beyond the height hose of 100cm Whether the Clean the filter pump is blocked Whether the Change the pump is well...
  • Page 26 7 TROUBLESHOOTING 6. Water inlet overflow malfunction maintenance Water inlet overflow whether the inlet Change the inlet valve valve is well Whether the Change pressure pressure switch is switch well Change the PCB...
  • Page 27 7 TROUBLESHOOTING 7. Drum non-rotating malfunction maintenance Drum non-rotating Whether the belt is Installed the belt installed correctly correctly Whether the inner wire connection is Reliable the connection correct Shut down the power, open the door and Rotate the drum . The drum is blocked check the drum rotate flexibly or not.
  • Page 28 7 TROUBLESHOOTING 8. Maintenance water inflow and drain off water at the same time Water inflow and drain off water at the same time Whether the drain Hang the hose well hose is hung up too low Whether the washer is Normal phenomenon disposing the foam in the drum...
  • Page 29 7 TROUBLESHOOTING Malfunction and solution Description Solution The washing machine Close the washing machine's door. does not work Water leakage Correctly connect the inlet water pipe. The speed of the clothes is Reload and distribute the laundry evenly in the drum. abnormal There is the peculiar smell Run a Self clean(Drum clean) cycle without any clothes.
  • Page 30 7 TROUBLESHOOTING Level the washing machine. Level the washing machine. Vibration of the washing Fasten the footing. machine To check if the internal packing for the transportation have all been removed. Check if the detergent is excessive, if it is the specialized detergent for the cylinder washing machine.
  • Page 31 8 CHECK POINT OF CIRCUIT (Universal Motor) Before repairing, use multimeter to judge circuit stand of fail No Parts Picture Test Description Parameter Remarks 1.Measuring two Water straight line Break over after blow- Level terminals PASS Switch 2.Measuring two vertical terminals 2 seconds after the power supply can automatically locked...
  • Page 32 8 CHECK POINT OF CIRCUIT (Inverter Motor) Before repairing, use multimeter to judge circuit stand of fail No Parts Picture Test Description Parameter Remarks 1.Measuring two Water straight line Break over after blow- Level terminals PASS Switch 2.Measuring two vertical terminals 2 seconds after the power supply can automatically locked...
  • Page 33 9 UNPACKING WAYS OF MAIN PARTS UNPACKING WAYS OF MAIN PARTS 1. Undo the back cover 2. Undo top cover 3. Undo the control panel and PCB 4. Undo the door assembly 5. Undo the front plate 6. Undo the detergent box 7.
  • Page 35 9 UNPACKING WAYS OF MAIN PARTS 4.Undo the door assembly Undo the door I.Open the door of washing machine. II.Take the outer gasket III.Remove two screws on the door and take down the door . Undo the door gasket I.Remove the outer gasket clamp between the door seal and the front plate.
  • Page 36 9 UNPACKING WAYS OF MAIN PARTS 6. Undo the detergent box I.Release the hose clamp and pull out the inlet hose. II.Release the hose clamp and pull out the detergent box hose, and then take out the detergent box. 1. 7.
  • Page 37 9 UNPACKING WAYS OF MAIN PARTS 9. Undo the drain pump I.Pull out the terminal behind the drain pump. II.Nip out clamp between drain hose and the drain pump, and then pull out the drain hose. III.Loosen the screws fitted on the drain pump, and then pull out the drain pump.
  • Page 38 9 UNPACKING WAYS OF MAIN PARTS 11. Undo the absorber pin from the cabinet Use pliers to pinch the absorber pin’s protuberance, and knock the 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...
  • Page 39 9 UNPACKING WAYS OF MAIN PARTS Undo the drum tub Remove the screws fixing the pulley, and th V.Remove 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.
  • Page 40 10 SERVICE TOOLS...
  • Page 41 Screw Screw Screw Screw...
  • Page 42 NA-126MB1WSA Part Name Quantity BOM code Top Cover Assembly 301130761062 Rear Cover 301230700181 Power Cord 302430760160 Bolt 302501100028 Drain Hose Assembly 302730600054 Drain Hose Catch 301130600275 Water Level Sensor 302401400003 Door Lock 302430660038 Lint Filter Door 301130860193 Service Plate Box...
  • Page 43 Spring Support 301130600277 Water Inlet Hose Assembly 301130660043 Electric Filter 302430660070 Door Subassembly 301130960018 20.1 Door Glass 303630960001 20.2 Inner Ring 301130761040 20.3 Outer Frame Assembly 301130761039 20.4 Door Plunger 302930600035 20.5 Door Hinge Pin Cover 301130800139 Hinge Assembly 302930800033 Detergent Box Assembly 301130700634 Water Inlet Pipe...
  • Page 44 Front Left Counterweight 302930700060 Drain Pump 302400610004 Door Gasket Clamp 302930600029 Door Gasket 302730960001 Heater 302430660045 Heater Support 301130600163...
  • Page 45 NA-475MB1WSA Part Name Quantity BOM code Top Cover Assembly 301130860734 Rear Cover 301230700181 Power Cord 302430760160 Bolt 302530700023 Drain Hose Assembly 302730600054 Drain Hose Catch 301130600275 Water Level Sensor 302401400003 Door Lock 302430660038 Lint Filter Door 301130860193 Service Plate Box 301130761041 Door Gasket Spring Clip Spring 302930600028...
  • Page 46 Spring Support 301130600277 Water Inlet Hose Assembly 301130660043 Electric Filter 302430660070 Door Subassembly 301130960018 20.1 Door Glass 303630960001 20.2 Inner Ring 301130761040 20.3 Outer Frame Assembly 301130761039 20.4 Door Plunger 302930600035 20.5 Door Hinge Pin Cover 301130800139 Hinge Assembly 302930800033 Detergent Box Assembly 301130700634 Water Inlet Pipe...
  • Page 47 Front Left Counterweight 302930760021 Drain Pump 302400610004 Door Gasket Clamp 302930600029 Door Gasket 302730960001 Heater 302430660045 Heater Support 301130600163...
  • Page 48 NA-127MB1WAS Part Name Quantity BOM code Top Cover Assembly 301130761091 Rear Cover 301230700181 Power Cord 302430900001 Bolt 302501100028 Drain Hose Assembly 302730600054 Drain Hose Catch 301130600275 Water Level Sensor 302401400003 Door Lock 302430660038 Lint Filter Door 301130860193 Service Plate Box 301130761041 Door Gasket Spring Clip Spring 302930600028...
  • Page 49 Spring Support 301130600277 Water Inlet Hose Assembly 301130660043 Electric Filter 302430660070 Door Subassembly 301130960018 20.1 Door Glass 303630960001 20.2 Inner Ring 301130761040 20.3 Outer Frame Assembly 301130761039 20.4 Door Plunger 302930600035 20.5 Door Hinge Pin Cover 301130800139 Hinge Assembly 302930800033 Detergent Box Assembly 301130700634 Water Inlet Pipe...
  • Page 50 Front Left Counterweight 302930700060 Drain Pump 302430660003 Door Gasket Clamp 302930600029 Door Gasket 302730960001 Heater 302430660045 Heater Support 301130600163...
  • Page 51 NA-127MB1LZA Part Name Quantity BOM code Top Cover Assembly 3011307A2653 Rear Cover 301230700184 Power Cord 302430660076 Bolt 302501100028 Drain Hose Assembly 302730600054 Drain Hose Catch 301130600275 Water Level Sensor 302401400003 Door Lock 302430660038 Lint Filter Door 301130800899 Service Plate Box 301130800898 Door Gasket Spring Clip Spring 302930600028...
  • Page 52 Spring Support 301130600277 Water Inlet Hose Assembly 301130660043 Electric Filter 302430660070 Door Subassembly 3011308A1746 20.1 Door Glass 303630960001 20.2 Inner Ring 301130800930 20.3 Outer Frame Assembly 3011308A1749 20.4 Door Plunger 302930600035 20.5 Door Hinge Pin Cover 301130800139 Hinge Assembly 302930800033 Detergent Box Assembly 301130700634 Water Inlet Pipe...
  • Page 53 Front Left Counterweight 302930700060 Drain Pump 302430660003 Door Gasket Clamp 302930600029 Door Gasket 302730960001 Heater 302430660045 Heater Support 301130600163...
  • Page 54 NA-148MB1WAS Part Name Quantity BOM code Top Cover Assembly 301130860734 Rear Cover 301230700181 Power Cord 302430900001 Bolt 302530700023 Drain Hose Assembly 302730600054 Drain Hose Catch 301130600275 Water Level Sensor 302401400003 Door Lock 302430660038 Lint Filter Door 301130860193 Service Plate Box 301130761041 Door Gasket Spring Clip Spring 302930600028...
  • Page 55 Spring Support 301130600277 Water Inlet Hose Assembly 301130660043 Electric Filter 302430660070 Door Subassembly 301130960018 20.1 Door Glass 303630960001 20.2 Inner Ring 301130761040 20.3 Outer Frame Assembly 301130761039 20.4 Door Plunger 302930600035 20.5 Door Hinge Pin Cover 301130800139 Hinge Assembly 302930800033 Detergent Box Assembly 301130700634 Water Inlet Pipe...
  • Page 56 Front Left Counterweight 302930760021 Drain Pump 302430660003 Door Gasket Clamp 302930600029 Door Gasket 302730960001 Heater 302430660045 Heater Support 301130600163...
  • Page 57 NA-148MB1LZA Part Name Quantity BOM code Top Cover Assembly 3011308A1745 Rear Cover 301230700184 Power Cord 302430660076 Bolt 302530700023 Drain Hose Assembly 302730600054 Drain Hose Catch 301130600275 Water Level Sensor 302401400003 Door Lock 302430660038 Lint Filter Door 301130800899 Service Plate Box 301130800898 Door Gasket Spring Clip Spring 302930600028...
  • Page 58 Spring Support 301130600277 Water Inlet Hose Assembly 301130660043 Electric Filter 302430660070 Door Subassembly 3011308A1746 20.1 Door Glass 303630960001 20.2 Inner Ring 301130800930 20.3 Outer Frame Assembly 3011308A1749 20.4 Door Plunger 302930600035 20.5 Door Hinge Pin Cover 301130800139 Hinge Assembly 302930800033 Detergent Box Assembly 301130700634 Water Inlet Pipe...
  • Page 59 Front Left Counterweight 302930760021 Drain Pump 302430660003 Door Gasket Clamp 302930600029 Door Gasket 302730960001 Heater 302430660045 Heater Support 301130600163...
  • Page 60 NA-148MB1LAS Part Name Quantity BOM code Top Cover Assembly 3011308A1745 Rear Cover 301230700184 Power Cord 302430900001 Bolt 302530700023 Drain Hose Assembly 302730600054 Drain Hose Catch 301130600275 Water Level Sensor 302401400003 Door Lock 302430660038 Lint Filter Door 301130800899 Service Plate Box 301130800898 Door Gasket Spring Clip Spring 302930600028...
  • Page 61 Spring Support 301130600277 Water Inlet Hose Assembly 301130660043 Electric Filter 302430660070 Door Subassembly 3011307A2442 20.1 Door Glass 303630960001 20.2 Inner Ring 301130761040 20.3 Outer Frame Assembly 3011307A2443 20.4 Door Plunger 302930600035 20.5 Door Hinge Pin Cover 301130800139 Hinge Assembly 302930800033 Detergent Box Assembly 301130700634 Water Inlet Pipe...
  • Page 62 Front Left Counterweight 302930760021 Drain Pump 302430660003 Door Gasket Clamp 302930600029 Door Gasket 302730960001 Heater 302430660045 Heater Support 301130600163...

This manual is also suitable for:

Na-126mb1lsaNa-475mb1wsaNa-475mb1lsaNa-126mb1wasNa-126mb1lasNa-127mb1was ... Show all

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