Name: Midea BMF No Frost Series
Brand: Midea
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Service Manual_2020-V3.0

7.9 Main control board

Main control board

1） The main control board box is located compressor

case

2） Remove 2 screws using a cross screwdriver

3） Pry open the buckle of the main control board

installation box with a straight screwdriver

4） Pull all connector terminals out and then remove

the main control board

5） Replace the master control board in reverse steps.

Table of Contents3
Significant Update Notes (None)5
Safety Warning Code6
Warning for Operation Safety6
Safety Instruction for Refrigerant8
Installation and Commissioning9
Handling9
Door Disassembly and Assembly9
Installation Location9
Leveling of the Refrigerator12
Left or Right Open Door Reversal13
Main Parts and External Dimension16
Main Parts16
External Dimension17
Midea Product Serial Number and Location17
Electric Control System19
Electrical Parameters19
Circuit Diagram20
Main Control Board Structure Diagram21
Refrigeration System22
Refrigerating Piping System22
Cooling Pipeline and Drain Pipe Inside the Cabinet22
Circulating Route of Cooling Air23
Welding Points in Chambers or Foam Layer23
Welding Point in the Compressor Case24
Dismantling of Parts25
Parts on the Door25
Parts Inside the Refrigerator25
Light System26
Air Duct Components Refrigerating Chamber and Fan Motor27
Air Duct Components in Freezing Chamber and Fan Motor28
Evaporator and Defrost System29
Compressor Case30
Display Control Board35
Main Control Board36
Temperature Sensing System37
Position of Sensors37
Replacement of Sensors37
Sensor Without Terminal Replacement38
Sensor Resistance (R/T)39
Function and Operation40
Display Operation Panel40
Display40
Setting of the Gear40
Lock and Unlock Settings41
Memory Function41
Control of Standby Function41
Open Door Alarm (None)41
Function Selection (None)41
Fault Code and Solutions41
Defrosting Function42
Test Mode43
Compressor44
Compressor on and off Control Specifications44
Troubleshooting Method45
No Cooling (Air Cooling-Electronic)45
No Working of Compressor46
Inside Frosting, no Defrosting46
Inside Frosting, no Defrosting-Maintenance Guidelines47
Light Is Not on48
Fan Failure48
Defective Defrost Circuit49
Noise49
Air Duct Not Operated(Electronically) (None)50
Figures and Details of Repair Parts51

Midea BMF No Frost Series User Manual

Table of Contents

Questions and Answers:

Midea BMF No Frost Series Specifications

Related product manuals

Brand	Midea
Model	BMF No Frost Series
Category	Refrigerator
Language	English