Electrical Box Temperature Rise - Daikin FT25CV1A Service Manual

Si01-406
Electrical Box Temperature Rise (L3)
4.15
L3
Remote
Controller
Display
Method of An electrical box temperature rise is detected by checking the radiation fin thermistor with the
compressor off.
Malfunction
Detection
Malfunction With the compressor off, the radiation fin temperature is above 122°C. (Reset is made when the
temperature drops below 113°C.)
Decision
Conditions
Supposed
Causes
Service Diagnosis
Fin temperature rise due to defective outdoor unit fan
Fin temperature rise due to short-circuit
Fin thermistor defective
Connector in poor contact
Outdoor unit PCB defective
Troubleshooting
107