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Service Manual_2020-V1.0

Service Manual

Upright Frz. Series

Applicable Models

Product Models

Applicable Models

HS-625FWEN

UR-BD481WE-ST

22031010002925

WHS-625FWEW1

UR-BD481WE-ST

92031010Z01401

WHS-625FWESS1

UR-BD481WE-ST

92031010Z01402

MRU17F6AWW

UR-BD481WE-ST

92031010Z01403

MU170CWBR1RC1

UR-BD481WE-ST

92031010Z01404

The picture in this service manual is only for reference, and specific appearance

and configuration are subject to the real product.

This manual mainly teaches the method, the specific work skill needs engineer

to accumulate through the daily work.

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 Location9
Leveling of the Refrigerator10
Left or Right Open Door Reversal （None10
Installation of Handle10
Installation of Door Lock（None10
Main Parts and External Dimension11
Main Parts11
External Dimension12
Midea Product Serial Number and Location13
Electric Control System14
Electrical Parts Parameters14
Circuit Diagram16
Main Pcb Terminal Connection Diagram17
Inverter Board Terminal Connection Diagram（None17
Refrigeration System18
Refrigeration System Working Principle18
Cooling Pipeline and Drain Pipe Inside the Cabinet18
Circulating Route of Cooling Air19
Welding Points in Chambers or Foam Layer19
Welding Point in the Compressor Case20
Dismantling of Parts21
Parts on the Door21
Parts Inside the Refrigerator21
Light System22
Air Duct Components in Refrigerating Chamber and Fan Motor (None)22
Air Duct Components in Freezing Chamber and Fan Motor23
Evaporator and Defrost System24
Compressor Case25
Display Control Board29
Main Control Board30
Variable Frequency Driver Board（None31
Water Dispenser（None31
Temperature Sensing System32
Position of Sensors32
Replacement of Sensors32
Sensor Without Terminal Replacement34
Sensor R/Ttable35
Function and Operation36
Display Operation Panel36
Temperature Control37
Mode Setting37
Defrosting Function38
Open Door Alarm38
Error Code and Solutions39
Test Mode41
Demo Mode42
Backup Data for Power Fail42
Compressor43
Compressor on and off Control Specifications43
Inverter Board Fault Analysis（None43
Troubleshooting Method44
No Cooling (Air Cooling-Electronic)44
No Working of Compressor46
Inside Frosting, no Defrosting47
Inside Frosting, no Defrosting-Maintenance Guidelines48
Light Is Not on49
Fan Failure50
Defective Defrost Circuit50
Noise51
Air Duct Not Operated（Option51
Ice Makernot Make Ice（Option52
Product Exploded View and Spare Parts List53

Brand	Midea
Model	HS-625FWEN
Category	Freezer
Language	English

Midea HS-625FWEN Service Manual

Table of Contents

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Questions and Answers:

Midea HS-625FWEN Specifications

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