Radiation Fin Temperature Rise - Daikin RZQ Series FCQ20EVA Service Manual

SiME281501E

4.28 Radiation Fin Temperature Rise

L4
Error Code
Applicable RZQ
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 defective heat
Conditions dissipation.
 Defective radiation fin thermistor
Supposed
 High outdoor air temperature
Causes
 Blocked suction opening
 Dirty radiation fin
 Defective outdoor unit inverter PCB
 Activation of fin thermal switch
 Insufficient cooling of inverter radiation fin
 Defective connection of connector
Service Diagnosis
Troubleshooting by Remote Controller
126