Related Manuals for Midea MDC100-CH21B/B05E-US
Summary of Contents for Midea MDC100-CH21B/B05E-US
- Page 1 Tumble Heat Pump Dryer Model:MDC100-CH21B/B05E-US Service Manual Note： Before maintaining this product, please read the manual first. Contact your service center if there's any problem.
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Page 2: Table Of Contents
Contents 1. Precaution…………………………..…………………………………………………………………………………………………… 1.1 Precaution 1.2 Servicing Precautions 1.3 Cautions for Safety 2. Factory Pattern Detection ……………………………………………………………………………………………………….… 9 3. Disassembling Ways of Main Parts …………………………………………………………………………………………… 10 4. Malfunctions Codes and Explanations ……………………………………………………………………………………… 20 5. Troubleshooting …………………………..………………………………………………………………………………………… 21 5.1 The dryer breaks down and the control panel can not display 5.2 The drum does not spin while the control panel can display 5.3 The heating system does not work 5.4 The dryer makes abnormal noise when operating... -
Page 3: Precaution
1 Precaution When executing troubleshooting or replacing components, please note the following safety precautions: 1.1 Safety Precautions 1-1-1. Use Genuine Parts The components of the machine have safety features such as non- combustibility and voltage withstanding. Therefore, always use the same part as suggested by the manufacturer. -
Page 4: Precaution
1 Precaution 1.2 Servicing Precautions 1-2-1. Observe Warnings Be sure to follow special warning and precautions that are described on part labels and in the owner's 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 positions. -
Page 5: 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 injuries to repair technicians or people nearby for improper operations, or to the users by the defective products after technician operations. - Page 6 1 Precaution 1.3 Cautions for Safety • Please observe the following notes for safety. • The symbols indicate as follows. WARNING • Advise the customer to keep children out of the work place. Children may be injured by a tool or disassembled part. OUT OF CHILD •...
- Page 7 1 Precaution 1.3 Cautions for Safety WARNING • Use an exclusive socket for the machine. Otherwise, an electric shock or ignition may occur. Sharing the same socket with other instrument causes heating of a branch USE EXCLUSIVE socket and may result in a fire. SOCKET •...
- Page 8 1 Precaution 1.3 Cautions for Safety WARNING • Do not put inflammable into the tumble dryer. Do not put cloths stained with kerosene, gasoline, benzene, thinner, alcohol, etc. AVOID It may cause a fire or explosion. INFLAMMABLE • Do not touch the drum before the drum is cool down. DO NOT TUNCH THE DRUM CAUTION...
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Page 9: Factory Pattern Detection
2 Factory Pattern Detection When the repairing work is done, select the “Time” programme to operate the dryer for at least 10 minutes. During this time, check the dryer if the drum is turning right and there is no undesired noise. After the programme is done, open the door, and check the drum with your hand. -
Page 10: Disassembling Ways Of Main Parts
3 Disassembling Ways of Main Parts WARNING • Unplug power cord for the work such as disassembling which is unnecessary to be power on. Do not hold the plug by a wet hand. Failing to unplug may cause an electric shock. UNPLUG POWER ITEM PICTURE... - Page 11 3 Disassembling Ways of Main Parts ITEM PICTURE Pull out the cycle select knob. Remove 2 screws between the control panel and the PCB housing. and unplug the terminal Remove control panel.Then unscrew 3 screws on the plastic cover and take away. Unscrew 5 screws on the control panel.
- Page 12 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew 2 screws on the door hinge. Unscrew 11 screws on the inner ring. Remove the inner ring. Take off the door hinge. Take off the door plunger.
- Page 13 3 Disassembling Ways of Main Parts ITEM PICTURE Pull out the drain pipe. Unscrew 1 screw on the rear cover of drain pump kit. Remove the rear cover of drain pump kit. Pull out the connection pins on the drain pump. Pull out the wire terminal of water level sensor.
- Page 14 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew 1 screw on the pump cover. Take off the pump cover. Pull out the drain hose and overflow tube. Take off the water level sensor. Take off the drain pump...
- Page 15 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew 2 screws on the top of the front panel. Unscrew 8 screws at the back of side plates. Remove the side plates(left and right). Unscrew 1 screw at the back of housing drawer.
- Page 16 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew 4 screws on the side brackets (left and right). Unscrew 1 screw on the back cover. Unscrew 2 screws on the back cover. Unscrew 1 screw on side plate and unplug all terminals. Remove all of the screws on the back cover and take it off.
- Page 17 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew the nut(M10) and remove the impeller. Unscrew 5 screws on the cabinet cover back. Lift up pulley of the motor and remove the belt. Separate the tub assembly. Unscrew 4 screws on the bearing house assembly and remove the bearing cover.
- Page 18 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew the nut(M14) and remove the bearing house assembly. Separate the cabinet cover back from the tub. Take off the felt ring seal on the cabinet cover back. Unscrew the screw barrel. Remove the lifter.
- Page 19 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew 4 screws of the taper cap. Remove the taper cap. Remove the maintenance cover, and take out the filter. Remove the cooling fan cover. Remove the filter lint assembly and door seal. Remove 9 screws on the front door.
- Page 20 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew 2 screws of the door lock and remove the front panel. Pull out the wire terminals from door lock. Pull out the wire terminal from NTC. Pull out the wire terminals of humidity sensor and cooling fan.
- Page 21 3 Disassembling Ways of Main Parts ITEM PICTURE Remove the wire components. Take off the front support. Unscrew 2 screws of the lamp and remove the lamp cover. Remove 3 screws on the humidity sensor support. Pull out the wire terminals of the humidity sensor support and remove the wires.
- Page 22 3 Disassembling Ways of Main Parts ITEM PICTURE Unscrew the nuts and remove the terminal cover. Remove all wires on the top of compressor. Unscrew the grounding screw of the compressor. Pull out the terminal of NTC. Unscrew 2 screws and open the box Pull out the terminals of capacitances ,motor and choke.
- Page 23 3 Disassembling Ways of Main Parts ITEM PICTURE Remove 2 screws and take off the choke. Take off the internal wire assembly from base assembly. Remove all screws from the cover of heat exchangers and take it off. Unscrew the nuts of compressor and remove the heat exchangers(2 persons to lift the unit) Remove the tension spring.
- Page 24 3 Disassembling Ways of Main Parts ITEM PICTURE Remove 2 screws and take off the motor. Unscrew 3 screws and remove the blower collet of compressor. Remove 1 screw and take off the fan. Pull out NTC. Remove the condenser clap plate. Remove two foot screws.
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Page 25: Malfunctions Codes And Explanations
4 Malfunctions Codes and Explanations Lamp Display Error Error description Error type Check content code(flashing) Check the water Container is full; the program storage container; Drain pump failure\ pause; Full (Light on Check the drain water level sensor Can restore after permanently) pump ;... -
Page 26: Troubleshooting
5 Troubleshooting Circuit diagram of dryer The circuit program... - Page 27 5 Troubleshooting Circuit diagram of dryer Wiring connection figure Water level sensor +front NTC + rear NTC Motor communication(BLDC motor model) PCB communication Door switch Compressor Humidity sensor Motor Cooling fan and drain pump Live wire...
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Page 28: The Dryer Breaks Down And The Control Panel Can Not Display
5 Troubleshooting 5.1 The dryer breaks down and the control panel can not display The dryer breaks down and the control panel can not display The power supply is The fuse is Replace the fuse damaged Power cord and Find the P0 port, check if Replace power cord and wire components the two contact points of... -
Page 29: The Drum Does Not Spin While The Control Panel Can Display
5 Troubleshooting 5.2 The drum does not spin while the control panel can display The drum does not spin but the panel control can display The belt is loosened or Reassemble or replace the belt broken The P0 terminal is not Plug the terminal insert The door switch is... -
Page 30: The Heating System Does Not Work
5 Troubleshooting 5.3 The heating system does not work The heating system does not work The dryer is put in the Stop and move the dryer to the appropriate ambient 5℃~35℃ ambient The selected program is correct Select the correct program The fluff filter and the Clean filter and the evaporator evaporator is blocked by fluff... -
Page 31: The Dryer Makes Abnormal Noise When Operating
5 Troubleshooting 5.4 The dryer makes abnormal noise when operating The dryer makes abnormal noise when operating The screws between the drum and Fasten the screws baffles are loosened The front support wheel is Replace the front support wheel damaged The front and rear sealing is Replace the sealing damaged... -
Page 32: The Dryer Gives Out Abnormal Smell When Operating
5 Troubleshooting 5.5 The dryer gives out abnormal smell when operating The dryer gives out abnormal smell when operating The belt slips and has the smell Replace big belt of rubber The motor is blocked Replace the motor Other electrical components are Replace the corresponding electrical damaged components or the control panel... -
Page 33: E32 Led Is Lighting After The Cycle Finished
5 Troubleshooting 5.7 E32 LED is lighting after the cycle finished. E32 LED is lighting after the cycle finished. The humidity sensor is blocked Clean or replace the humidity sensor by fluff Replace the control panel 5.8 E33 LED is lighting E33 LED is lighting The terminals of P3 are loosened Plug in terminals... -
Page 34: E50 Led Is Lighting After The Cycle Finished(Only For Bldc Model)
5 Troubleshooting 5.9 E50 LED is lighting after the cycle finished. E50 LED is lighting Restart the dryer Change the motor 5.10 E64 LED is lighting after the cycle finished(only for BLDC model) E64 LED is lighting The terminals of motor and control Plug in the terminals panel are loosened The wire components are damaged... -
Page 35: Heat Pump System Parts Repair
5 Troubleshooting 5.11 Heat pump system parts repair： Warning : If the heat pump system parts need repair , we suggest you buy new machines rather than repair. The heat pump system parts include capillary , drier filter, connect pipe, condenser, evaporator, compressor and etc. - Page 36 5 Troubleshooting Operation step Picture Take out the heat pump system and use exhaust plier to release refrigerant (wear safety goggles and gloves ) Weld position Prepare new parts...
- Page 37 5 Troubleshooting Operation step Picture Weld capillary ,drier filter and connect pipe, and other parts. Weld the suction and discharge pipes on compressor, weld the capillary and connect pipe on heat exchangers.
- Page 38 5 Troubleshooting Operation step Picture Vacuum pumping 1, Connect high pressure connector to the charge charge pipe pipe(φ6mm), 2, Connect the connector to the plug, Plug Pressure gage 3, Close V2 and V5 Valves, High pressure open V1,V3, andV4. connector 4, Start the pump.
- Page 39 5 Troubleshooting Operation step Picture Type: R134a (HFC-134a) Fill refrigerant Quantity: check the name plate of the dryer Seal the charge pipe Tidy the pipes and leaking check. 1, Make sure the connect pipes are not interference with each other and not impact the compressor or base.
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Page 40: Check Point Of Electronic Components
6 Check Point of Electronic Components Before repairing, use multimeter to judge circuit stand of fail Part Picture Test Description parameters Electric With a multimeter to test the 250VAC 50/60HZ, Filter connection at both ends of the N and L. 10℃... - Page 41 6 Check Point of Electronic Components Before repairing, use multimeter to judge circuit stand of fail Part Picture Test Description parameters Water Conducting both ends with a 10mv-24vAC;10mv- Level multimeter test case, disconnect the 200vDC ,10VA 10W, Sensor float at the bottom of the float. 10UA-1A(DC) Conducting both ends with a Door...
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Page 42: Service Tools
7 Service tools Vacuum and charge kits Sealing pliers Exhaust plier Number Tools Suitable kit Sleeve（M14）or spanner drum tub assembly Sleeve（M10）and pliers Wheel Assembly Other tools (cross head screwdriver, Common service tools pliers and so on) Vacuum pump, welding torch, exhaust plier, sealing plier, Weld and cut the pipe electronic scale, butane and... -
Page 43: Appendix
8 Appendix Machine function description, program description, the whole detailed parameter table, fault codes, etc. Please refer to the instructions. Note: The schedule for the reference value. - Page 44 The end!