Si20-701_B Troubleshooting by Remote Controller
268
3.59
L4
Overcurrent of DC Output
(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
îš„ Activation of fin thermal switch
îš„ Defective radiation fin thermistor
îš„ High outdoor air temperature
îš„ Insufficient cooling of inverter radiation fin
îš„ Blocked suction opening
îš„ Dirty radiation fin
îš„ Defective outdoor unit PCB
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