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Midea WHD774FWE1 User Manual

Midea WHD774FWE1
48 pages
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Service Manual_2017-V1
1
Service Manual
TMF SERIES
(The picture in this service manual is only for reference, and specific appearance and configuration are
subject to the real product)
Applicable Models
Model Code
UL-BCD595WE-SQ
22031020003381
UL-BCD595WE-SQ
22031020001681
UL-BCD595WE-SQ
92031020Z00029
UL-BCD595WE-SQ
92031020Z00041
UL-BCD595WE-SQ
92031020Z00042
Prepared by
R&D:Liu lu
Reviewed by
QA:huang juan
SVC:Zhang Kun
Approved by
R&D:Geng xiuhua
SVC:Guang Taoshuai

Table of Contents

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Midea WHD774FWE1 Specifications

General IconGeneral
TypeTop Freezer Refrigerator
Total Capacity7.4 cu. ft.
ColorWhite
Energy Star CertifiedYes
Defrost TypeManual
RefrigerantR600a
Refrigerator Capacity5.3 cu. ft.
Number of Shelves2
Number of Door Bins2
Ice MakerNo
Reversible DoorYes
Installation TypeFreestanding

Summary

1. SAFETY WARNING CODE

1.1 WARNING FOR OPERATION SAFETY

General safety instructions for operating the appliance.

1.2 SAFETY INSTRUCTION FOR REFRIGERANT

Specific safety guidelines related to the refrigerant used.

2. DESCRIPTION FOR PRODUCT FEATURES

Product Features Overview

Overview of the key features of the product, including diagrams.

3. INSTALLATION AND COMMISSIONING

3.1 Handling

Guidelines for safely moving and positioning the refrigerator.

3.2 Door Disassembly and Assembly

Instructions for removing and refitting the refrigerator doors.

3.3 Installation Location

Recommendations for choosing a suitable place to install the unit.

3.4 Leveling of the Refrigerator

How to adjust the appliance's feet to ensure it is stable and level.

3.5 Door Reversal

Instructions for changing the direction of the refrigerator door swing.

3.6 Installation of Handle

Steps for fitting the refrigerator door handles.

3.7 Installation of Door Lock

Procedure for installing a door lock mechanism.

3.8 Adjustment to Level the Door

How to adjust the doors to ensure they are properly aligned.

3.9 Adjustment to Shelves

Instructions for adjusting the shelves within the appliance.

4. TERMS

4.1 Definition of Model

Information regarding the definition of product models.

4.2 Location of Nameplate

Details about where to find the product's nameplate.

5. PRODUCT SPECIFICATION

5.1 Type Specification

Specifications related to the type or model series.

5.2 Electrical Parameters

Electrical characteristics and ratings of the appliance.

5.3 Inside Temperature

Specified temperature ranges for different compartments.

5.4 Defrosting Parts

Details about components involved in the defrosting system.

5.5 Circuit Diagram

Schematic representation of the appliance's electrical circuits.

6. INTERNAL VIEW AND DIMENSION

6.1 Main Parts and Their Names

Identification and labeling of major internal components.

6.2 External Dimension

Specifications of the appliance's external size and dimensions.

7. REFRIGERATING PIPING SYSTEM AND CIRCULATING ROUTE OF COOLING AIR

7.1 Refrigerating Piping System

Diagram and description of the refrigerant circuit.

7.2 Circulating Route of Cooling Air

Illustration of how cold air circulates within the appliance.

8. DISMANTLING OF PARTS

8.1 Parts on the Door

Procedures for dismantling parts located on the refrigerator doors.

8.2 Parts Inside the Refrigerator

Instructions for removing components from the main interior.

8.3 Light System

Details on how to access and service the internal lighting.

8.4 Air Duct and Fan Motor

Guidance on dismantling the air duct and fan motor assembly.

8.5 Evaporator and Temperature Sensing System

Procedures for removing the evaporator and temperature sensors.

8.6 Compressor Case

Steps for accessing and removing the compressor and its housing.

8.7 Display Control Board

Instructions for removing and replacing the main display control board.

8.8 Main Control Board

Steps for accessing and replacing the main electronic control board.

8.9 Bar Counter

Procedures for dismantling and installing the bar counter feature.

8.10 Water Dispenser

Instructions for servicing the water dispenser components.

8.11 Ice Maker

Steps for dismantling and installing the ice maker unit.

9. FUNCTION AND OPERATION

9.1 Operation Panel

Description of the control panel layout, icons, and buttons.

9.2 Display

Information on how the display screen indicates status and faults.

9.3 Setting of the Gear

Guide on how to adjust operational gears or settings.

9.4 Control of Standby Function

How to manage the appliance's standby mode.

9.5 Control of Ice Maker

Instructions for operating the ice maker (if applicable).

9.6 Fault Code and Solutions

Table of fault codes and their corresponding troubleshooting steps.

9.7 Defrosting Function

Explanation of how the automatic defrosting cycle works.

9.8 Test Mode

Instructions for entering and operating diagnostic test modes.

10. CIRCUIT DESCRIPTION

10.1 Power Supply

Description of the appliance's power input and regulation circuits.

10.2 Door Trip Test Circuit

Information on the circuit for testing door interlocks.

10.3 Temperature Test Circuit

Explanation of the circuit used for temperature sensing.

10.4 Fan Motor Circuit of the Freezing Chamber

Circuit details for the fan motor in the freezing compartment.

10.5 Refrigerator Fan Motor Circuit

Circuit details for the refrigerator fan motor.

10.6 Condenser Fan Motor Circuit

Circuit details for the condenser fan motor.

10.7 Damper Motor Circuit

Circuit details for the damper motor.

10.8 Sensor Resistance(R/T)

Table showing sensor resistance values at different temperatures.

11. TROUBLESHOOTING METHOD

11.1 No Cooling(Air cooling-Electronic)

Troubleshooting steps for cooling failures in air-cooled electronic systems.

11.2 No Working of Compressor

Steps to diagnose why the compressor is not operating.

11.3 Inside Frosting, No Defrosting

Troubleshooting for issues related to ice buildup and lack of defrosting.

11.4 Inside Frosting, No Defrosting-Maintenance Guidelines

Detailed maintenance procedures for frost buildup and defrosting issues.

11.5 Light is Not On

Troubleshooting steps when the internal light does not illuminate.

11.6 Air Duct Not Operated

Steps to troubleshoot electronic air duct operation issues.

11.7 Fan Failure

Diagnosing and resolving problems with the appliance's fan.

11.8 Defective Defrost Circuit

Troubleshooting for malfunctions in the defrosting circuit.

11.9 Noise

Identifying and resolving unusual noise issues from the appliance.

12. FIGURES AND DETAILS OF REPAIR PARTS

12.1 Figures

Indicates no figures are included in this section.

12.2 List of Parts and Components

Indicates no parts list is included in this section.

13. APPENDIX

13.1 Refrigerator Maintenance Tooling and Equipment and Material

List of tools, equipment, and materials needed for maintenance.

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