Midea MFL80-DU1403B/C14E-EU Service Manual
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Midea MFL80-DU1403B/C14E-EU Service Manual

Midea MFL80-DU1403B/C14E-EU Service Manual

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Washing Machine
Model:MFL80-DU1403B/C14E-EU(NE)
Service Manual
Note：
Before service the unit, please read this manual first.
Contact with your service center if meet problem

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July 21, 2025

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Summary of Contents for Midea MFL80-DU1403B/C14E-EU

  • Page 1 Washing Machine Model:MFL80-DU1403B/C14E-EU(NE) Service Manual Note： Before service the unit, please read this manual first. Contact with your service center if meet problem...

  • Page 2: Table Of Contents

    Contents 1 PRECAUTION………………….………………..…………………………………………………. 3 1.1 Safety Precautions 1.2 Servicing Precaution 1.3 Cautions For Safety 2 FACTORY PATTEN DETECTION …………….………………………………………………. 7 3 UNPACKING WAYS OF MAIN PARTS……………………………………………………… 10 4 MALFUNCTIONS CODES AND EXPLANATIONS ……………………………………… 18 5 TROUBLESHOOTING …………………………………………………………………………… 20 5.1 Maintenance non-heating malfunction 5.2 Door non-locked &...

  • Page 3: Precaution

    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.

  • Page 4: Cautions For Safety

    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 5 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 6 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 7 1 Precaution 1.4 WIRING DIAGRAM/PCB LAYOUT 1. Inverter Motor communications 2. Inverter Motor 3. Inlet Valve & Drain Pump & L1 4. Temp Sensor & Water Sensor 5. Water Heater & N 6. Door Lock & L 7. UI communications...

  • Page 8: Factory Patten Detection

    2 FACTORY PATTEN DETECTION 2.1 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 30s. Press [K1] or [K2] to select test program.
  • Page 9 2 FACTORY PATTEN DETECTION 2.1.4 UI Checking (t04) 1) Press [K8] button to illuminate the whole LED display. 2) Press [K1] button, the whole LED display flashes. 3) Press [K8] to stop flash, LED display “t04” 3.2.5 Drain pump checking (t05) 1) Enter into service mode, LED displays “pup”.
  • Page 10 2 FACTORY PATTEN DETECTION 2.2 Self-check Push the buttons of function and pre-washing without loosening, in the meantime screw the program knob to the position of cotton and keep 3s, then the program will be in the state of self test. When the buzzer toots, all the indicating lights glitter 3 times ( pushing 0.5s, the 0.5s light is on and off), then the lights are on all the time.
  • Page 11 3 UNPACKING WAYS OF MAIN PARTS 3. UNPACKING WAYS OF MAIN PARTS 1. Undo the back cover 2. Undo top cover 3. Undo the control panel 4. Undo the lower panel 5. Undo the door lock 6. Undo the front plate 7.

  • Page 12: Unpacking Ways Of Main Parts

    3 UNPACKING WAYS OF MAIN PARTS Operation Picture      1. Undo the rear cover Undo the 4 screws between the rear plate and the cabinet, and then pull it out.     2. Undo the top cover Undo 2 screws fit back Cabinet.
  • Page 13 3 UNPACKING WAYS OF MAIN PARTS 4. Undo the PCB Remove the control panel assembly. II. Remove screws between the control panel and the PCB housing. III. take out the PCB. 5. Undo the service plate Open the filter cover, release the screw on the lower panel.
  • Page 14 3 UNPACKING WAYS OF MAIN PARTS 8. Undo the lower counterweight Remove the front panel. II. Remove 4 screws and pull out the lower counterweight. 9. Undo the inlet valve Remove the top cover plate. II. Unplug connector and undo 2 screws between cabinet and inlet valve.
  • Page 15 3 UNPACKING WAYS OF MAIN PARTS 12. Undo the gasket Undo the top cover, control panel, door lock, front panel. II. Undo 2 screws on clip spring. III. Loosen the inner gasket clamp between the door seal and the front of the outer tub.
  • Page 16 3 UNPACKING WAYS OF MAIN PARTS 16. Undo the filter of drain I.Open the lint filter door. II.Rotate the filter knob anticlockwise, and then pull out the filter. 17. Undo the drain pump I.Undo the front panel. II.Remove 4 screws, unplug connector, nip out the clamp between the drain hose and the drain pump, and then pull...
  • Page 17 3 UNPACKING WAYS OF MAIN PARTS 20. Undo the absorber pin I.Undo the front panel. II.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 two. 21.
  • Page 18 3 UNPACKING WAYS OF MAIN PARTS 23. Undo the upper counterweight Undo the tub assemble II. Remove two screws fit on the upper counterweight and then pull out the upper counterweight. 24. Undo the motor Let the machine lie down on the back and then pullout the motor wire and grounding wire.
  • Page 19 3 UNPACKING WAYS OF MAIN PARTS 26. Undo the absorbers Lift out the outer tub kit. II. Undo the absorbers pin between absorber and rear tub, remove the absorbers. 27. Undo the door glass Open the door, remove 2 screws fixing the hinge and the front panel, and then remove the door.

  • Page 20: Malfunctions Codes And Explanations

    4 MALFUNCTION CODES AND EXPLANATIONS Schedule of failure alarm 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 21 4 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 22 4 MALFUNCTION CODES AND EXPLANATIONS Detecting an 1. Check connector of thermistor open or short Thermistor(Dry-in) fault 2. Check the thermistor circuit in 3. Check the PCB thermistor(dry-in) Detecting an open or short 1. Check connector of thermistor circuit in Thermistor(Dry-out) fault 2.

  • Page 23: Troubleshooting

    5 TROUBLESHOOTING Fault tree 1. Maintenance non-heating malfunction Non-heating Whether to set up Choosing new heating non-heating temperature Whether the pressure switch is well or not well or not Whether NTC is short or open Change NTC circuit Whether the connect is well well Reliable connection heating...

  • Page 24: Door Non-Locked & Its Maintenance

    5 TROUBLESHOOTING 2. Door non-locked & its maintenance Door non-locked Close the door Whether the door correctly is closed correctly Whether push the Push the start button start /pause to start the program button The door lock is Whether the voltage open between harness 1 harness 3 invalid and should be is about 220vand circuit...
  • Page 25 5 TROUBLESHOOTING 3. No water inlet or water inlet overtime No water inlet or water inlet overtime Whether press Push start/pause start/pause button button after choosing the program Door lock is invalid Whether the door Change main and should be is closed correctly board replaced...
  • Page 26 5 TROUBLESHOOTING 4. Cleaning with brush Over heating circuit open Whether NTC is circuit Change NTC short circuit or open circuit Whether the connection is well Whether the connection is well or not...

  • Page 27: Maintenance Of Non-Drain Or Drain Exceed The Setting Time

    5 TROUBLESHOOTING 5. Maintenance of non-drain or drain exceed the setting time Non-drain or overtime drain Whether it is in Push start/pause the state of pause button Close Whether the door is closed door The means of detecting door switch refers to the paragraph of "no water inlet".

  • Page 28: Water Inlet Overflow Malfunction Maintenance

    5 TROUBLESHOOTING 6. Water inlet overflow malfunction maintenance Water inlet overflow Whether the drain Hang the hose well hose is hung up Whether the Change the inlet water is in valve without power Whether the gas pipe or the Change or revive the connection is gas pipe leaking or dead...

  • Page 29: Drum Non-Rotating Malfunction Maintenance

    5 TROUBLESHOOTING 7. Drum non-rotating malfunction maintenance Drum non-rotating Whether the belt is Installed the belt installed correctly correctly Whether the inner Reliable the connection wire connection is correct Shut down the power, open the door and Rotate the drum . The drum is blocked check the drum rotate flexibly or not.
  • Page 30 5 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 hose is hung up Hang the hose well too low Whether the washer is Normal phenomenon disposing the foam in the drum...
  • Page 31 5 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 Reload and distribute the laundry evenly in the drum. is abnormal There is the peculiar smell Run a Self clean(Drum clean) cycle without any clothes.
  • Page 32 5 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 33: Check Point Of Circuit

    6 CHECK POINT OF CIRCUIT Before repairing, use multimeter to judge circuit stand of fail No Parts Picture Test Description Parameter Remarks Measuring two Capacitance value Water vertical terminals. range 40-50nF-PASS sensor 1 seconds after the power supply can Electrify the Door automatically locked, resistance with...
  • Page 34 6 CHECK POINT OF CIRCUIT No Parts Picture Test Description Parameter Remarks The Resistance should Measuring be in range from 30 resistance. heater 60Ω.-PASS The Resistance should Measuring be in range from 0.5 flange resistance. 5Ω.-PASS temper Resistance value is Measuring ature greater than zero or...
  • Page 35 7 SERVICE TOOLS...

  • Page 36: Appendix

    8 APPENDIX...
  • Page 37 The end!

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