Radiation Fin Temperature Rise - Daikin RZQG71~140L7V1B Service Manual

ESIE12-06

4.22 Radiation Fin Temperature Rise

L4
Remote
Controller
Display
Applicable
RZQG
Models
Method of Error
Radiation fin temperature is detected by the radiation fin thermistor.
Detection
Error Decision
When the temperature of the inverter radiation fin rises abnormally due to faulty heat
Conditions dissipation.
Supposed  Actuation of fin thermal switch
Causes  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
Service Diagnosis
Troubleshooting by Remote Controller
213