SiBE04-101 TroubleshootingService Diagnosis 874. Troubleshooting4.1 Indoor Units- : Not used for troubleshooting∗ : Varies depending on the cases.Indication on theremote controllerDescription of the Fault Details of fault(Refer to theindicatedpage.)00 OR ∗ Indoor unit in normal condition (Conduct a diagnosis of the outdoor unit.) —A1 Inverter unit - Faulty indoor unit PCB 89A5 Operation halt due to the freeze protection function or high pressurecontrol90A6 Faulty fan motor (DC motor stop) DC motor 91A6 Faulty fan motor (AC motor stop) AC motor 93C4 Heat exchanger temperature thermistor or related abnormality 94C9 Suction air thermistor or related abnormality 94CA Discharge air thermistor or related abnormality 94∗ Faulty indoor unit PCB 9596∗ OR U4 Faulty power supply or indoor unit PCB 97U4 Signal transmission error (between indoor and outdoor units) 98UA Faulty indoor / outdoor power supply specification 99∗ OR E8 Operation halt due to detection of input overcurrent 106E5 Stoppage by OL actuation/Melt-down by temperature fuse 102E6 Opeartion halt due to compressor seizing 104E7 DC fan motor seizing 105F3 Abnormal discharge pipe temperature 101H6 Operation halt due to faulty position detection sensor 108H8 Operation halt due to detection of CT abnormality 109H9 Operation halt due to outside air thermistor abnormality 112J3 Operation halt due to discharge pipe thermistor abnormality, or due todetection of disconnected discharge pipe thermistor112J6 Operation halt due to outdoor unit heat exchanger thermistor abnormality 112L5 Operation halt due to detection of output overcurrent 110U0 Operation halt due to detection of insufficient gas 113U2 Main circuit overvoltage or low voltage 115SiBE04-101.book Page 87 Monday, October 15, 2001 3:08 PM
