Troubleshooting by Remote Controller Si20-701_B
331
3.76
P4
Radiation Fin Thermistor
Abnormality
Remote Controller Display
P4
Applicable Models
RZ(Y)
Method of Error Detection
Open circuit or short circuit in radiation fin thermistor is
detected when the compressor is not operating.
Error Decision Conditions
When open circuit or short circuit in radiation fin
thermistor is detected in non-operating compressor
Supposed Causes
îš„ Defective thermistor
îš„ Defective outdoor unit PCB