Haier AFL631 series Service Manual page 3

SERVICE MANUAL
Model: AFL631 & CFE633
4-2-1. Sensor location description
4-2-2. Graphic display of the sensor location
4-3. Self test model····································································································
5. Control principle of electronic component ···························································· 23
5-1. Air Escaper ·········································································································
5-2. Control Principle of the Fan motor
5-3. Defrost control
6. System flow principle ······························································································· 24
6-1. Refrigeration flow chart
6-2. Perspective of the Refrigeration System
6-3. Air flow scenograph
7. Circuit diagram·········································································································· 27
7-1. Main Control PCB diagram
7-2. Main Control PCB connections
8. Trouble shooting······································································································· 29
8-1. Common problems and solutions
8-1-1. food in the fridge storage compartment is frozen
8-1-2. the buzzer beeps to alarm
8-1-3. No defrosting
8-1-4. Neither displaying nor starting when powering on
8-1-5. Poor freezing effect accompanied by loud noise
8-2. Examination and Solutions for Other Problems
8-3. Checking flow chart
········································································
······································································
principle······················································································
·····················································································
··························································································
···············································································
·········································································
·····································································
········································································
····························································································
··························································································
Issue 200905
Rev. Ref0905S003V0
·······················································
··························································
·····································
···································
·····································
··············································
21
3
22
22
23
23
23
24
25
26
27
28
29
29
29
29
30
30
31
33