SiBE12-908 TroubleshootingService Diagnosis 1482.28 Abnormal Temperature in Electrical BoxRemoteController DisplayL3Method ofMalfunctionDetectionTemperature rise in the electrical box is identified based on the temperature of the radiation findetected by the fin thermistor with the compressor off.MalfunctionDecisionConditions With the compressor off, the radiation fin temperature is above 80°C. The error is cleared when the temperature drops below 70°C.SupposedCauses Fin temperature rise due to defective outdoor fan Fin temperature rise due to short circuit Detection error due to defective fin thermistor Detection error due to improper connection of connector Detection error due to defective outdoor unit PCB