Electrical Box Temperature Rise - Daikin Sky Air B-Series R-410A Service Manual

Si21-205
6.9

Electrical Box Temperature Rise

L3
Remote
Controller
Display
Method of
An electrical box temperature rise is detected by checking the radiation fin thermistor with the
Malfunction compressor off.
Detection
Malfunction With the compressor off, the radiation fin temperature is above 122˚C. (Reset is made when the
Decision temperature drops below 113˚C.)
Conditions
Supposed
Causes
Troubleshooting
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 for Outdoor Unit (25/35 class)
175