Haier HRF-628AF6 - Contents; Table of Contents

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SERVICE MANUAL

Model: HRF-628AF6/IF6

Issue 2013-04-07

REF. Ref1304S001V0

Contents

Chapter 1 General Information .................................................................................................................... 3

1-1. General Guidelines .................................................................................................................................. 3

1-2. Insurance test .......................................................................................................................................... 3

1-3. How to read this Service Manual ............................................................................................................. 4

Chapter 2 Product Feature ........................................................................................................................... 5

2-1. Specifications ........................................................................................................................................... 5

2-2. Main Functions ........................................................................................................................................ 6

2-3. External views .......................................................................................................................................... 6

Chapter3 Disassembly and Installation ...................................................................................................... 8

3-1. Ice-crushed motor disassembly ............................................................................................................... 8

3-2 .Display Panel Disassembly ..................................................................................................................... 9

3-3.REF damper ........................................................................................................................................... 10

3.6 Evaporator cover disassembly ................................................................................................................ 11

Chapter 4 Control and display system ..................................................................................................... 13

Chapter 5 Control principal and related test functions ........................................................................... 18

5-1. Air damper ............................................................................................................................................. 18

5-2. Control principle of fan motor ................................................................................................................ 18

5-3. Defrost control ....................................................................................................................................... 18

5-4. Ice-making control ................................................................................................................................. 18

5-5. Self-testing function ............................................................................................................................... 20

5-7. Water inlet quantity setting .................................................................................................................... 21

Chapter 6 System flow principle ............................................................................................................... 22

6-1.System flow scenograph ......................................................................................................................... 22

6-2.System flow chart ................................................................................................................................... 23

Chapter 7 Circuit diagram .......................................................................................................................... 24

7-1. Main control PCB diagram ..................................................................................................................... 24

7-2. Brief principle diagram ........................................................................................................................... 25

7-3. Sensors and error codes ....................................................................................................................... 26

Chapter 8 Water Line Principle .................................................................................................................. 28

Chapter 9 Trouble shooting ....................................................................................................................... 29

9.1. Frequently problem ................................................................................................................................ 29

9-2. Typical problem ...................................................................................................................................... 31

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