Electrical Box Temperature Rise - Daikin F-Series Service Manual

SiBE12-713
5.22

Electrical Box Temperature Rise

L3
Remote
Controller
Display
Outdoor Unit LED A
Display
Method of An electrical box temperature rise is detected by checking the radiation fin thermistor with the
compressor off.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
5 4 4 1
1 2 3 4
With the compressor off, the radiation fin temperature is above 100°C.
The error is cleared when the temperature drops below 70°C.
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
4
Troubleshooting
265