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Service manual for Wash and Dry Combo product

Midea America Company

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Port definition

Port

Name on PCB

Definition

CN1-1
CN1-2
CN1-3

CN1-1: DISPENSER MOTOR_L
CN1-2: HOT_VALVE _L
CN1-3: COLD_VALVE_1 _L

CN2-1
CN2-2
CN2-3

CN2-1:

Water sensor 1

CN2-2:

Water sensor GND

CN2-3:

Water sensor 2

CN3-1
CN3-2
CN3-3
CN3-4

CN3-1:

PUMP RTN

CN3-2:

NEUTRAL

CN3-3:

DOOR LOCK LINE

CN3-4:

STEAM RETURN

CN4-1.
CN4-2
CN4-3
CN4-4

CN4-1:

COLD_VALVE_3 RTN

CN4-2:

MOTOR_N

CN4-3:

WATER VALVE RETURN

CN4-4:

STEAM RETURN

CN5-1
CN5-2

CN5-1:

DOOR LOCK OUT

CN5-2:

HTR_N

CN7-1
CN7-2
CN7-3
CN7-4
CN7-5

CN7-1:

Pwr_12V

CN7-2:

TXD

CN7-3:

RXD

CN7-4:

GND

CN7-5:

TACHO

CN8-1
CN8-2
CN8-3
CN8-4
CN8-5
CN8-6

CN8-1:

C_VALVE_3_L

CN8-2:

FAN_L

CN8-3:

DRAIN_L

CN8-4:

STEAM_L

CN8-5:

HTR_L

CN8-6:

MOTOR_L

CN11-1
CN11-2
CN11-3
CN11-4

CN11-1:

Thermistor 5V

CN11-2:

hermistor_1

CN11-3:

Thermistor 5V

CN11-4:

Thermistor_2

CN13-1
CN13-2
CN13-3
CN13-4

CN13-1:

Thermistor 5V

CN13-2:

Thermistor_3

CN13-3:

DISPENSER_A

CN13-4:

DISPENSER_B

Содержание US-FC70-DS12DSH/C0401E

Страница 1: ...Website www midea com us Laundry Washer and dryer combo Service Manual Model US FC70 DS12DSH C0401E CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE...

Страница 2: ...Cycle guide with option settings 8 2 3 Detergent 8 2 4 Cleaning and Maintenance 9 3 DIMENSION and INSTALLATION 11 3 1 Unit dimension 11 3 2 Installation 11 4 TROUBLE SHOOTING 14 4 1 Test mode by Cont...

Страница 3: ...or 2 weeks or more HYDROGEN GAS IS EXPLOSIVE If the hot water system has not been used for 2 weeks or more before using a washer or combination washer dryer turn on all hot water faucets and let the w...

Страница 4: ...s propane gas LP gas etc ventilate the area immediately Do not turn any appliance or light on or off Do not use a ventilating fan A spark may result in an explosion or fire Do not force the washer lid...

Страница 5: ...water supply hose connectors are properly tightened Open the faucet and check if the water supply hose connector is firmly tightened and that there is no water leaking before using the product Do not...

Страница 6: ...el button Press this button to set the soil level for wash cycle Heavy Medium and Light Dry level button Press this button to add drying step just after washing cycle This function is only available f...

Страница 7: ...Service manual for Wash and Dry Combo product Midea America Company 7 Displays...

Страница 8: ...Medium Low No Spin NA NA NA NA Rinse spin NA highest High Medium Low No Spin NA NA Y N NA Tub clean NA NA NA NA NA NA Dry NA NA NA Heavy Normal Light NA NA Refresh NA NA NA NA NA NA Under wear Hot Wa...

Страница 9: ...d immerse it in warm water 4 Pour warm water into washing drum and wait for 10 minutes 5 Reconnect inlet pipe to the tap and check whether inlet and outlet are working normally Anti freeze If your was...

Страница 10: ...afety pins coins etc blocking the pump The Service panel proceed as follows 1 After the power is dis connected open the filter cover by hand 2 Turn the filter down as shown with the figure and take ou...

Страница 11: ...aundry room closet or recessed area Companion appliance location requirements should also be considered The requirements include 1 A grounded electrical outlet located within 6 feet 1 8 m 2 Hot and co...

Страница 12: ...rench and then remove them 2 Cover the holes with transport hole plugs 3 Keep the transport bolts properly for future use Connect the inlet hose and drainage hose Connect the inlet hose Be sure the ho...

Страница 13: ...th hand until it closely contacts with the floor Press the leg with one hand and fasten the nut closely to the cabinet with the other hand 4 After being locked properly press four corners again to mak...

Страница 14: ...temp soil then the unit enters test mode and t01 displayed 4 2 Test modes Test mode list Code Function Code Function Code Function t01 Model Setting t06 Water Switch Test t11 Factory Test Mode t02 Er...

Страница 15: ...f the drum Until there is no water in the machine t06 When t06 is displayed on LED Water Switch check function can be activated by pressing the Start Pause button The water valve will be opened And wa...

Страница 16: ...ll be displayed with hot water valve opened for 5 seconds Press the Start Pause button the fourth time U4 will be displayed with only condensing valve opened for 5 seconds Press the Start Pause button...

Страница 17: ...t valve A water lever control switch controls how much 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...

Страница 18: ...No voltage on the water inlet valve A water lever control switch controls how much water enters the washing machine by PCB If the water level control switch is defective or more commonly if the small...

Страница 19: ...de display Door Lock If the door won unlock the door lock assembly might be defective If the door won t latch check the door to see if the door is closed before replace it PCB If the washer door won t...

Страница 20: ...part of the temperature sensor before checking Check the inner wire on PCB Fan motor heater temperature sensor Check the heater resistance should be a certain value Lint on fan wheel and condenser Ch...

Страница 21: ...re between Inverter module and Main Control PCB Unit will stop operation E50 E5B Inverter module failure Unit will stop operation E50 E5C Over voltage inverter module Unit will stop operation E50 E5D...

Страница 22: ...Service manual for Wash and Dry Combo product Midea America Company 22 4 4 Wiring diagram and terminals 1 9 2 3 4 5 6 7 8...

Страница 23: ...CN4 1 CN4 2 CN4 3 CN4 4 CN4 1 COLD_VALVE_3 RTN CN4 2 MOTOR_N CN4 3 WATER VALVE RETURN CN4 4 STEAM RETURN 5 CN5 1 CN5 2 CN5 1 DOOR LOCK OUT CN5 2 HTR_N 6 CN7 1 CN7 2 CN7 3 CN7 4 CN7 5 CN7 1 Pwr_12V CN7...

Страница 24: ...Rinse Spin cycle 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...

Страница 25: ...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 th...

Страница 26: ...45 2500 60 1024 1228 1180 80 609 3 626 592 7 Water Heater does NOT run E34 E35 E36 Heater does NOT run E34 E35 E36 Check Wiring connection For Washing Heater there should be enough water in the drum s...

Страница 27: ...e in range from 30 to 100 Otherwise the lock is failure Step 2 Hold the Locker Slip Left as figure above Give a power pulse to the Lock between Pin 2 and Pin 3 Then release the Slipper It should take...

Страница 28: ...ck the faucet for fully open Check the water pressure The water pressure should be in range from 0 05MPa to 1MPa Check the drainage hose If the unit is draining water at the same time check the pump f...

Страница 29: ...ck the wires for open cycled If the wires are open cycled replace the harness Check the pressure switch Step 1 Check the resistance between terminal 1 and 3 with universal meter The switch resistance...

Страница 30: ...heck sound of motor Check the driving belt Replace if loosen or broken Yes Check the wiring connection of motor Check the wires for open cycled Replace the harness if open cycled Check the motor Repla...

Страница 31: ...ped off Push it ON if jumped Normal resistance less than 5m Open circuit temperature 165 5 329 9 F Check all wires connected Drying Heater assembly Include wires to all temperature sensors heaters Fan...

Страница 32: ...0 2573 2500 2645 45 2111 2055 2166 50 1741 1699 1783 55 1444 1412 1476 60 1204 1180 1228 65 1008 985 9 1031 70 848 7 828 3 869 0 75 717 6 699 2 736 0 80 609 3 592 7 626 0 85 519 7 504 7 534 6 90 444 9...

Страница 33: ...failure Yes Does the load lean toward oneside or is the load a few items Yes The few items of clothing will clump together and their weight will be in one place on the drum Throwing the weight off dur...

Страница 34: ...manually Clean the filter if blocked Is the temperature of the drum higher than 50o C Wait for the temperature drops down Check if the unit can unlock the door Use a stick to unlock the door as follo...

Страница 35: ...rness if failure Replace the PCBs Detergent Softener does not flow in Detergent Softener does not flow in Is water supplied Refer to No water inlet or water inlet overtime E10 s detergent softener put...

Страница 36: ...n wash detergent bleach Additive fabric softener Clean the drawer and dispenser Refer to page 9 Are the gasket seal and door cleaned regularly Clean the periphery of Gasket and Door regularly Is the d...

Страница 37: ...emove Phillip screwdriver 1 2 Remove the Drawer Assembly No tools needed 1 3 Disconnect the Control Panel Subassembly and drawer Remove the two screws fixing the drawing Phillip screwdriver 1 4 Remove...

Страница 38: ...n the right Phillip screwdriver 2 3 Check the Water Level Switch Water Level Switch Phillip screwdriver 2 4 Check the Capacitor and the Electric Filter Capacitor and Electric Filter Phillip screwdrive...

Страница 39: ...rewdriver 3 4 Check and replace the heater temperature sensors Remove the Eight screws fixing the cover Phillip screwdriver Check and Replace the Pump Inverter Motor Inverter Module and Choke 4 1 Remo...

Страница 40: ...e the Pump Inverter Motor Inverter Module and Choke 4 4 Check and replace the Pump Remove the Four screws on the front Phillip screwdriver 4 5 Check and replace the Inverter Module Remove the Two scre...

Страница 41: ...the motor Take care to the grounding wires Spanner Check and Replace the Door Lock Water Heater NTC 5 1 Disconnect the Front panel with the drum Find the Spring around the rubber Door Seal and pull i...

Страница 42: ...Phillip screwdriver 5 6 Remove the Front panel Remove the Four screws fixing the Front Panel at top and bottom corners and lift the panel up to release from the cabinet Phillip screwdriver 5 7 Check...

Страница 43: ...Service manual for Wash and Dry Combo product Midea America Company 42 6 EXPLODED VIEWS...

Страница 44: ...43 Service manual forWash and Dry Combo producf Midea America Company...

Страница 45: ...302930700037 14 Door Hinge Assemble Bracket 1 301230600063 15 Front Panel 1 301230760279 16 Adjustable Foot Assembly 4 302930700025 17 Cabinet Assembly 1 301230760295 18 Front Panel Pin 2 30113075000...

Страница 46: ...36 44 Door Gasket 1 302730760006 45 Suspension Spring 1 302930700010 46 Front Tub Assembly 1 301130700366 47 Spider Assembly 1 302930860016 48 Baffle 3 301130700138 49 Rear Counterweight 1 30293080003...

Страница 47: ...302700300808 302730700013 302730700014 73 Tunnel Cover 1 301230800085 74 Heater 1 302430760096 75 Condenser Assembly 1 302430760138 76 Sound Insulation Plate Assembly 1 301130760983 77 Waterproof Shie...

Страница 48: ...eavy duty Sports Options Start Pause Time Save Delay Temp Spin Soil Dry Level Add a garment water level selection Auto Temperature selection 5 Soil selection 3 Spin speed selection 5 Max spin speed 12...

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