X93;L4” Radiation Fin Temperature Increased - Daikin EHYHBH05AAV3 Service Manual

Error Codes: Outdoor Units

“L4” Radiation Fin Temperature Increased

4.12
1
Remote controller
display
Method of
malfunction
detection
Malfunction
decision conditions
3
Supposed causes
4
5
Part 4 – Troubleshooting
L4
Fin temperature is detected by the thermistor of the radiation fin.
When the temperature of the inverter radiation fin increases abnormally due to faulty heat dissipation.
Activation of fin thermal switch
Faulty fin thermistor
High outside air temperature
Insufficient cooling of inverter radiation fin
Blocked suction opening
Dirty radiation fin
Faulty outdoor inverter PCB
126
ESIE13-02A