Midea HC-957WEN

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Service Manual_2023-V2.0

2）Paste location

Some products also have S/N on the lower part of the right side of the Cabinet.

Main Page

Table of Contents3
Significant Update Notes (None)5
Safety Warning6
Warning for Operation Safety6
Safety Instruction for Refrigerant8
Installation and Commissioning9
Handling9
Door Disassembly and Assembly9
Installation Location12
Leveling of the Refrigerator13
Adjustment to Level the Door13
Main Parts and External Dimension15
Main Parts15
External Dimension16
Midea Product Serial Number and Location16
Electric Control System18
Electrical Parts Parameters18
Circuit Diagram20
Main Control Pcb Terminal Connection Diagram21
Power and Ice-Making Control Board Wiring Schematic22
Inverter Board Terminal Connection Diagram23
Refrigeration System24
Refrigeration System Working Principle24
Cooling Pipeline and Drain Pipe Inside the Cabinet24
Circulating Route of Cooling Air25
Welding Points in Chambers or Foam Layer25
Welding Point in the Compressor Case26
Dismantling of Parts27
Parts on the Door27
Parts Inside the Refrigerator27
Light System28
Air Duct Components Refrigerating Chamber and Fan Motor29
Ice Maker30
Crashing Ice Motor31
Air Duct Components in Freezing Chamber and Fan Motor32
Evaporator and Defrost System33
Compressor Case34
Display Control Board41
Main Control Board, Power Board and Inverter Driver Board42
Distributor43
Open Door Motor and Ice Blocking Plate43
Waterway System45
Temperature Sensing System47
Position of Sensors47
Replacement of Sensors47
Sensor Without Terminal Replacement49
Sensor R/Ttable50
Function and Operation51
Display Operation Panel51
Temperature Control52
Mode Setting52
Defrosting Function53
Open Door Alarm54
Error Code and Solutions54
Eye Test Mode of Ice Maker57
Test Mode of the Product57
Demo Mode58
Backup Data for Power Fail59
Compressor60
Compressor on and off Control Specifications60
Inverter Board Fault Analysis60
Troubleshooting Method62
No Cooling (Air Cooling-Electronic)62
No Working of Compressor63
Inside Frosting, no Defrosting64
Inside Frosting, no Defrosting-Maintenance Guidelines65
Light Is Not on66
Fan Failure67
Defective Defrost Circuit67
Noise68
Air Duct Not Operated68
Ice Maker Not Make Ice（Option69
No Ice or Crushed Ice Falling off the Distributor（Option70
Product Exploded View and Spare Parts List71

Midea HC-957WEN - Page 17

Table of Contents

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