mitsubishi electric

Upper Lamp Of Operation Indicator Lamp Abnormal point(Failure mode) Condition Not lighted Normal None (Normal) 1-time flash every 0.5 second Room temperature thermistor Room coil temperature thermistor is short/open circuit 2-time flash, 2.5 second OFF Indoor coil thermistor Indoor coil temperature thermistor is short/open circuit 3-time flash, 2.5 second OFF Serial signal Rotation frequency feedback […]