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 ............................................................................................................................................... 5
2-3. External views ................................................................................................................................................ 6
Chapter3 Disassembly and Installation .................................................................................................................. 7
3-1. Display panel Disassembly ............................................................................................................................. 7
3-2. Main Control Board and Power Cable Disassembly ...................................................................................... 7
3-3 .Removing Shelf to Clean ................................................................................................................................ 8
3-4.Adjust Bottle and clean .................................................................................................................................... 8
3-5. Freezer air duct cover assembly and disassembly .......................................................................................... 8
3-5. Refrigerator air duct cover assembly and disassembly ................................................................................... 9
Chapter 4 Control and display system ................................................................................................................. 10
4-1.Control panel ................................................................................................................................................. 10
4-2.Lock/Unlock setting ....................................................................................................................................... 10
4-3.Intelligence/Holiday function settings ........................................................................................................... 10
4-4.Quick-cooling function setting ...................................................................................................................... 11
4-5.Quick-freezing function setting ..................................................................................................................... 11
4-6.Temperature setting and adjustment .............................................................................................................. 11
4-7.Door alarm ..................................................................................................................................................... 12
4-8.Power-off memory ......................................................................................................................................... 12
Chapter 5 Control principal and related test functions ......................................................................................... 13
5-1.Refrigerator`s temperature control introduction ............................................................................................ 13
5-2. Defrost control .............................................................................................................................................. 13
5-3. Sensor`s position and control principle ........................................................................................................ 14
5-4. Operating description of combination key .................................................................................................... 15
Chapter 6 System flow principle .......................................................................................................................... 17
6-1.System flow scenograph ................................................................................................................................ 17
6-2.System flow chart .......................................................................................................................................... 17
Chapter 7 Circuit diagram .................................................................................................................................... 18
7-1. Main control PCB diagram ........................................................................................................................... 18
7-2. Brief principle diagram ................................................................................................................................. 19
Chapter 8 Trouble shooting and fault detecting ................................................................................................... 20
8-1. Frequent problem .......................................................................................................................................... 20
8-2. Fault diagnosis and display method .............................................................................................................. 22