Haier HB21FSSAA Service Manual page 3

SERVICE MANUAL
Model: HB21FSSAA, HB21FG*
4-8. Fridge temperature setting
4-9. Open-door alarm function
4-10. Energy-saving display control function
4-11. Power outage memory function
4-12. Power outage memory function
5. Electrical Control Principle ······················································································ 26
5-1. Overview
5-2. Fridge electric air damper control
5-3. Fan control
5-4. Vertical girder hater control
5-5. Defrost control
6. Cooling System Principle························································································· 28
6-1. Cooling system flow scenograph
6-2. Cooling system flow chart
7. Circuit Diagram ········································································································· 29
7-1. Main control PCB diagram diagram
7-2. Brief principle diagram
8. Sensor, Error Code and Self-test Function ···························································· 31
8-1. Sensor position
8-2. Error codes list
8-3. How to display error code
8-4. Self-test function
9. Trouble shooting ······································································································· 43
Issue 2010-12
Rev.
Ref1012S008V0
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