SERVICE MANUAL
Model: HRF-800DGS8
2
Issue 2014-11-13
REF.
Ref1411S025V1
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 ................................................................................................................................................. 7
Chapter3 Disassembly and Installation ................................................................................................................... 8
3-1. REF& freezer wind passage disassembly ........................................................................................................ 8
3-2. Control PCB disassembly .............................................................................................................................. 10
3-3 Display Panel Disassembly ............................................................................................................................ 11
Chapter4 Control and display system ................................................................................................................... 12
Chapter 5 Control principal and related test functions ......................................................................................... 15
5-1. Control principle of fan motor ....................................................................................................................... 15
5-2. Defrost control ............................................................................................................................................... 15
5-3. Self-testing function ...................................................................................................................................... 15
Chapter 6 System flow principle........................................................................................................................... 16
Chapter 7 Circuit diagram ..................................................................................................................................... 17
7-1. Main control PCB diagram ............................................................................................................................ 17
7-2. Brief principle diagram .................................................................................................................................. 18
7-3. Sensors and error codes ................................................................................................................................. 19
7-4. The combination key ..................................................................................................................................... 21
Chapter 8 Refrigerator control principle ............................................................................................................... 22
8-1.The refrigerator temperature control introduction .......................................................................................... 22
8-2. The defrosting control introduction ............................................................................................................... 22
Chapter 9 Trouble shooting ................................................................................................................................... 24
