Aiwa -09CHSRINV/TP11 Service Manual page 38

F4 Cooling system gas flow abnormal PROTECTION..
F5 PFC PROTECTION
The Compressor lack of phase / Anti-phase
F6
PROTECTION.
F7 IPM Module temperature PROTECTION
F8 4-Way Value reversing abnormal..
F9 The module temperature test circuit failure.
FA The compressor Phase-current test circuit failure.
Limiting/Reducing frequency for Over load
Fb
protection on Cooling/Heating mode.
Limiting/Reducing frequency for High power
FC
consumption protection.
Limiting/Reducing frequency for Module current
FE
protection ( phase current of compressor).
Limiting/Reducing frequency for Module
FF
temperature protection.
Limiting/Reducing frequency for Compressor
FH
driving protection.
Limiting/Reducing frequency for anti-condensation
FP
protection..
Limiting/Reducing frequency for anti-frost
FU
protection.
Limiting/Reducing frequency for Discharge over
Fj
temperature protection.
Limiting/Reducing frequency for ODU AC Current
Fn
protection.
Fy Gas leakage protection
bf TVOC sensor failure（IDU failure, optional）
bc PM2.5 sensor failure（IDU failure, optional）
Humidity sensor failure. （IDU failure）
bj
Note: Remote controller FAILURE CODE Querying function
As shown in the failure codes, some of the codes (Fb~bj) need to press remote control for inspection.
While unit on operation, press the ECO button 8 times within 8 seconds, the buzzer BIBI 2 times, you can
inspect the special failure code as Fb ~Fn, bj etc.
Air Conditioner Service Manual
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
Please check the troubleshooting for detail.
ODU PCB
ODU PCB
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
Please check the troubleshooting for detail.
Querying by press remote controller
Querying by press remote controller
Querying by press remote controller
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