Midea HC-957WEN Manuals

Manuals and User Guides for Midea HC-957WEN. We have 2 Midea HC-957WEN manuals available for free PDF download: Service Manual

Midea HC-957WEN Service Manual

Midea HC-957WEN Service Manual (72 pages)

Brand: Midea | Category: Refrigerator | Size: 4 MB

Table of Contents

Table of Contents
3
Significant Update Notes (None)
5
Safety Warning
6
Warning for Operation Safety
6
Safety Instruction for Refrigerant
8
Installation and Commissioning
9
Handling
9
Door Disassembly and Assembly
9
Installation Location
12
Leveling of the Refrigerator
13
Adjustment to Level the Door
13
Main Parts and External Dimension
15
Main Parts
15
External Dimension
16
Midea Product Serial Number and Location
16
Electric Control System
18
Electrical Parts Parameters
18
Circuit Diagram
20
Main Control Pcb Terminal Connection Diagram
21
Power and Ice-Making Control Board Wiring Schematic
22
Inverter Board Terminal Connection Diagram
23
Refrigeration System
24
Refrigeration System Working Principle
24
Cooling Pipeline and Drain Pipe Inside the Cabinet
24
Circulating Route of Cooling Air
25
Welding Points in Chambers or Foam Layer
25
Welding Point in the Compressor Case
26
Dismantling of Parts
27
Parts on the Door
27
Parts Inside the Refrigerator
27
Light System
28
Air Duct Components Refrigerating Chamber and Fan Motor
29
Ice Maker
30
Crashing Ice Motor
31
Air Duct Components in Freezing Chamber and Fan Motor
32
Evaporator and Defrost System
33
Compressor Case
34
Display Control Board
41
Main Control Board, Power Board and Inverter Driver Board
42
Distributor
43
Open Door Motor and Ice Blocking Plate
43
Waterway System
45
Temperature Sensing System
47
Position of Sensors
47
Replacement of Sensors
47
Sensor Without Terminal Replacement
49
Sensor R/Ttable
50
Function and Operation
51
Display Operation Panel
51
Temperature Control
52
Mode Setting
52
Defrosting Function
53
Open Door Alarm
54
Error Code and Solutions
54
Eye Test Mode of Ice Maker
57
Test Mode of the Product
57
Demo Mode
58
Backup Data for Power Fail
59
Compressor
60
Compressor on and off Control Specifications
60
Inverter Board Fault Analysis
60
Troubleshooting Method
62
No Cooling (Air Cooling-Electronic)
62
No Working of Compressor
63
Inside Frosting, no Defrosting
64
Inside Frosting, no Defrosting-Maintenance Guidelines
65
Light Is Not on
66
Fan Failure
67
Defective Defrost Circuit
67
Noise
68
Air Duct Not Operated
68
Ice Maker Not Make Ice（Option
69
No Ice or Crushed Ice Falling off the Distributor（Option
70
Product Exploded View and Spare Parts List
71

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Midea HC-957WEN Service Manual

Midea HC-957WEN Service Manual (59 pages)

Brand: Midea | Category: Refrigerator | Size: 3 MB

Table of Contents

Table of Contents
3
1 Significant Update Notes(None)

5
2 Safety Warning Code

6
- Warning for Operation Safety
  6
- Safety Instruction for Refrigerant
  8
3 Transport

9
- Handling
  9
4 Installation and Commissioning

10
5 Product Configuration and Dimension

16
- Main Parts and Their Names
  16
- External Dimension
  17
- Location of S/N
  18
6 Product Specification

19
- Electrical Parameters
  19
- Cooling Temperature Setting Range
  20
- Defrosting Parts
  20
- Circuit Diagram
  20
- Main Control Board Structure Diagram
  20
- Ice Maker Control Board Structure Diagram
  21
- Electric Exchange Valve (NONE)
  21
- Water Valve
  22
7 Refrigerating Piping System and Circulating Route of Cooling Air

23
8 Dismantling of Parts

25
- Parts on the Door
  25
- Parts Inside the Refrigerator
  25
- Light System
  26
- Air Duct Components in Refrigerating Chamber and Fan Motor
  27
- Air Duct Components in Freezing Chamber and Fan Motor
  28
- Evaporator and Defrost System
  30
- Compressor Case
  31
- Display Control Board
  36
- Main Control Board
  37
- Bar Counter(None)
  37
- Water Dispenser
  37
- Ice Maker
  38
- Water Filter Component
  39
9 Temperature Sensing System

41
- Position of Sensors
  41
- Replacement of Sensors
  41
- Sensor Replacement
  43
- Sensor Resistance(R/T)
  44
10 Function and Operation

45
- Operation Panel
  45
- Display
  45
- Temperature Control
  46
- Open Door Alarm
  46
- Function Selection
  46
- Control of Ice Maker
  47
- Celsius Fahrenheit Conversion
  47
- Fault Code and Solutions
  47
- Defrosting Function
  50
- Eye Ice Machine Test Mode
  50
- Backup Data for Power Fail
  50
11 Compressor

51
- Compressor on and off Control Specifications
  51
- Ariable Frequency Driver Board Fault Analysis
  51
12 Troubleshooting Method

52
- No Cooling(Air Cooling-Electronic)
  52
- No Working of Compressor
  53
- Inside Frosting, no Defrosting
  53
- Inside Frosting, no Defrosting-Maintenance Guidelines
  54
- Light Is Not on
  55
- Fan Failure
  55
- Defective Defrost Circuit
  56
- Noise
  56
- Air Duct Not Operated(Electronically)
  57
- Ice Maker Not Make Ice
  57
13 Figures and Details of Repair Parts

58

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