3
Issue 200906
Rev. Ref0906S012V0
5. Control principle of electronic component ···························································· 21
5-1. Air Escaper
21
5-2. Control Principle of the Fan motor
21
5-3. Defrost control principle
21
5-4. Ice maker work principle
22
6. System flow principle ······························································································· 23
6-1. Refrigeration flow chart
23
6-2. Perspective of the Refrigeration System
24
6-3. Diagram of icemaker water way
24
7. Circuit diagram·········································································································· 25
7-1. Circuit diagram
25
7-2. Main Control PCB diagram
25
8. Trouble shooting······································································································· 26
8-1. Common problems and solutions
26
8-1-1. Food in the fridge storage compartment is frozen
26
8-1-2. The buzzer beeps to alarm
26
8-1-3. No defrosting
26
8-1-4. Neither displaying nor starting when powering on
27
8-1-5. Poor freezing effect accompanied by loud noise
27
8-1-6.Common problems with icemaker system
28
8-2. Examination and Solutions for Other Problems
29
8-3. Checking flow chart
30
SERVICE MANUAL
Model:
HRF-663
ISB2R/B/W
