Daikin | how to rectify error code C9 non inverter air conditioner
Brand : Daikin
model : FT23/35 DVM
error code : C9 (room temperature thermistor abnormality)
Method of Malfunction Detection,
The temperature detected by the thermistor are used to determine thermistor error.
Supposed Cause,
1)Faulty connector connection.
2)Faulty thermistor.
3)Faulty PCB
Trouble with thermistor system
1) thermistor lead wire is disconnected
=connect lead wire
2)Foil at the thermistor connecting part on indoor PCB peels off.
=repair by soldering.
If PCB 3 thermistor RTH1 reading abnormality, can alther and soldering with other type of thermistor (must same reading )
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