Daikin FFQ50C2VEB - Radiation Fin Temperature Rise

ESIE15-13B Troubleshooting by Remote Controller
Service Diagnosis 157
4.24 Radiation Fin Temperature Rise
Remote
Controller
Display
L4
Applicable
Models
RZQG
Method of Error
Detection
Radiation fin temperature is detected by the radiation fin thermistor.
Error Decision
Conditions
When the temperature of the inverter radiation fin rises abnormally due to faulty heat
dissipation.
Supposed
Causes
 Actuation of fin thermal switch
 Insufficient cooling of inverter radiation fin
 High outdoor air temperature
 Blocked suction inlet
 Blocked discharge outlet
 Dirty radiation fin
 Disconnection of connector
 Defective radiation fin thermistor
 Defective outdoor unit inverter PCB