Radiation Fin Temperature Rise - Daikin RZQG71L9V1 Service Manual

ESIE15-13C

4.24 Radiation Fin Temperature Rise

L4
Remote
Controller
Display
RZQG
Applicable
Models
Radiation fin temperature is detected by the radiation fin thermistor.
Method of Error
Detection
When the temperature of the inverter radiation fin rises abnormally due to faulty heat
Error Decision
dissipation.
Conditions
 Actuation of fin thermal switch
Supposed
 Insufficient cooling of inverter radiation fin
Causes
 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
Service Diagnosis
Troubleshooting by Remote Controller
157