Midea HC-969WE - User Manual

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Service Manual_2021-V1.0

Service Manual

SBS Series

Applicable Models

Model Code

Applicable Models

HC-969WE

UR-BCD745WE-DT

22031050000901

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.

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 Pcb Terminal Connection Diagram22
Power and Ice-Making Control Board Wiring Schematic23
Inverter Board Terminal Connection Diagram24
Refrigeration System25
Refrigeration System Working Principle25
Cooling Pipeline and Drain Pipe Inside the Cabinet25
Circulating Route of Cooling Air26
Welding Points in Chambers or Foam Layer26
Welding Point in the Compressor Case27
Dismantling of Parts28
Parts on the Door28
Parts Inside the Refrigerator28
Light System29
Air Duct Components Refrigerating Chamber and Fan Motor30
Ice Maker31
Crashing Ice Motor32
Air Duct Components in Freezing Chamber and Fan Motor33
Evaporator and Defrost System34
Compressor Case35
Display Control Board42
Main Control Board, Power Board and Inverter Driver Board42
WIFI Network Modular（None43
Distributor43
Open Door Motor and Ice Blocking Plate44
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

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Midea HC-969WE Specifications

General

Brand	Midea
Model	HC-969WE
Category	Refrigerator
Language	English

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Midea HC-969WE - User Manual

Table of Contents

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