Midea MFL80-DU1403B/C14E-EU Скачать руководство пользователя страница 33

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Before repairing, use multimeter to judge circuit stand of fail

6 CHECK POINT OF CIRCUIT

No Parts

Picture

Test Description

Parameter

Remarks

1 Water

sensor

Measuring two

vertical terminals.

Capacitance value

range 40-50nF-

PASS

2 Door

lock

Electrify the

resistance with

Door Plunger in it.

1 seconds after the

power supply can

automatically locked,

after the power off can

automatically unlocked

immediately-

PASS

3 Water

valve

Measuring

resistance.

Resistance value range

3-6KΩ-

PASS

4 Pump

Measure the

resistance.

Resistance value range

150-250Ω-

PASS

5 Heater

Measuring

resistance.

Resistance value range

20-35Ω-

PASS

6 NTC

Measuring

resistance.

Resistance value range

4.8kΩ±8%@25℃0-

PASS

7 Motor

Measure the

resistance of the

toroids

Resistance value range

(Pin1~Pin2~Pin3)

The resistance

differerence between

erery two PINS is less

than 5%-

PASS

2 3

Содержание MFL80-DU1403B/C14E-EU

Страница 1: ...Service Manual Washing Machine Model MFL80 DU1403B C14E EU NE Note Before service the unit please read this manual first Contact with your service center if meet problem...

Страница 2: ...ng malfunction 5 2 Door non locked its maintenance 5 3 Door non locked its maintenance 5 4 Heating beyond the setting temperature its maintenance 5 5 Maintenance of non drain or drain exceed the setti...

Страница 3: ...g 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 an...

Страница 4: ...SSEMBLE 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...

Страница 5: ...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 Co...

Страница 6: ...ng 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...

Страница 7: ...IRING 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 5 6 4 3 2 1 7 1 Prec...

Страница 8: ...exit this program LED displays t01 2 1 2 Error code checking t02 1 Enter into error code mode LED displays Err Press K8 button and LED displays EXX x 1 2 3 2 Press K1 to show the last code and press...

Страница 9: ...real temperature of inner drum and check with the numbers on the display 3 Press K8 button to exit LED displays t07 2 1 7 Inlet valve checking t08 1 Enter into service mode drain out the water LED dis...

Страница 10: ...water level is below 1 it is plus 40s malfunction alarm E3 7 Dehydration single dehydration judge whether the water level is below 1 if not drain water until it is below the 1 plus 20s then dehydrate...

Страница 11: ...eight 8 Undo the gasket 9 Undo the PCB panel 10 Undo the detergent box 11 Undo the inlet valve 12 Undo the pressure 13 Undo the pulley 14 Undo the absorber pin 15 Undo the filter 16 Undo the drain pum...

Страница 12: ...crews fit back Cabinet II Push back the top cover 15mm until it leaves away from the control panel and then take it down 3 Undo the control panel I Remove the top cover plate II Draw out the detergent...

Страница 13: ...lasp and push it out 6 Undo the door lock I Open the door of the washing machine II Pull open the door gasket III Remove 2 screws on the door lock IV Take out the door lock and draw out the plug 7 Und...

Страница 14: ...e 10 Undo the detergent box I Remove the control panel II Release the hose clamp and pull out the inlet hose III Release the hose clamp and pull out the detergent box hose and then take out the deterg...

Страница 15: ...emble up then take off the gasket 13 Undo the top bracket I Remove the control panel II Remove 4 screws fixing the top bracket and then remove it 14 Undo the pulley I Undo the back cover II Rotate the...

Страница 16: ...n 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 out the drain hose 18 Undo the heater I Remove the rear cove...

Страница 17: ...er counterweight detergent box the absorber pin water level sensor II Undo all connection between tub assemble and cabinet assemble III Push the rest down to front slowly and carefully IV Take off the...

Страница 18: ...r wire and grounding wire II Use spanner to remove the motor screws and lift up the motor with the other hand in case of falling to the drain pump 25 Undo the rear tub assembly I Remove the motor II P...

Страница 19: ...n absorber and rear tub remove the absorbers 27 Undo the door glass I Open the door remove 2 screws fixing the hinge and the front panel and then remove the door II Remove 11 screws on the inner door...

Страница 20: ...water enters 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...

Страница 21: ...1Check the door hook and the door lock to get correct location PCB 1 If the washer door won t unlock the problem might be the main The PCB This is not common 2 Check the inner wire between the PCB an...

Страница 22: ...fault 1 Check connector of dry heater 2 Check terminal of heater 3 Check whether fan was blocked 4 Check the PCB E50 Motor Inverter PCB board doesn t work The Inverter PCB works abnormal 1 Check the...

Страница 23: ...s well or not well or not Change the control panel Whether the connect is well well heating Reliable connection Whether NTC is short or open circuit Change NTC Whether to set up non heating Choosing n...

Страница 24: ...board is well Whether the voltage open between harness 1 harness 3 is about 220vand circuit The door lock is invalid and should be replaced Whether the door is closed correctly Close the door correctl...

Страница 25: ...he electromagnetic valve buzz Whether the connections of inlet valve is well Whether the inlet valve coil is well Whether the connection of pressure switch is well Door lock is invalid and should be r...

Страница 26: ...Cleaning with brush Whether the connection is well circuit open circuit Change NTC Over heating N N Y Y Whether NTC is short circuit or open circuit Whether the connection is well or not 5 TROUBLESHOO...

Страница 27: ...the drain pipe is too high The means of detecting door switch refers to the paragraph of no water inlet Whether the connection between the pump and the board is loosened Change the control panel Close...

Страница 28: ...tric connection of pressure switch is normal Reliable connection Whether the gas pipe or the connection is leaking or dead lock Change or revive the gas pipe Whether the drain hose is hung up Hang the...

Страница 29: ...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 flexibl...

Страница 30: ...t the same time Whether the washer is disposing the foam in the drum Change the control panel Normal phenomenon Hang the hose well Water inflow and drain off water at the same time Whether the drain h...

Страница 31: ...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 wate...

Страница 32: ...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 wat...

Страница 33: ...ply can automatically locked after the power off can automatically unlocked immediately PASS 3 Water valve Measuring resistance Resistance value range 3 6K PASS 4 Pump Measure the resistance Resistanc...

Страница 34: ...resistance The Resistance should be in range from 30 to 60 PASS 9 Fan flange Measuring resistance The Resistance should be in range from 0 5 to 5 PASS 10 temper ature sensor Measuring resistance Resi...

Страница 35: ...35 7 SERVICE TOOLS...

Страница 36: ...36 8 APPENDIX...

Страница 37: ...The end...

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