L4 Overcurrent Of Dc Output (Instantaneous) - Daikin R71FUV1 Service Manual

Si20-701_B
L4
3.59
(Instantaneous)
Remote Controller Display
L4
Applicable Models
RZ(Y)
Method of Error Detection
Fin temperature is detected by the thermistor of the
radiation fin.
Error Decision Conditions
When the temperature of the inverter radiation fin
increases abnormally due to defective heat dissipation.
Supposed Causes
Activation of fin thermal switch
Defective radiation fin thermistor
High outdoor air temperature
Insufficient cooling of inverter radiation fin
Blocked suction opening
Dirty radiation fin
Defective outdoor unit PCB
268
Overcurrent of DC Output
Troubleshooting by Remote Controller