Panasonic error codes and fault guides
Browse 53 published, evidence-gated Panasonic guides. Each page states the supported model and region, official source, safe checks, and the point to stop.
Panasonic fault guides
1–24 of 53
four-way valve switching abnormality
F11 is listed in Panasonic's official, model-scoped air-conditioner fault table as four-way valve switching abnormality.
total running-current protection
F16 is listed in Panasonic's official, model-scoped air-conditioner fault table as total running-current protection.
indoor standby-unit freezing abnormality
F17 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor standby-unit freezing abnormality.
dry circuit blocked abnormality
F18 is listed in Panasonic's official, model-scoped air-conditioner fault table as dry circuit blocked abnormality.
control-box overheat protection
F87 is listed in Panasonic's official, model-scoped air-conditioner fault table as control-box overheat protection.
power-factor-correction circuit protection or system/compressor microcomputer communication error
F90 is listed in Panasonic's official, model-scoped air-conditioner fault table as power-factor-correction circuit protection or system/compressor microcomputer communication error.
refrigerant-cycle abnormality
F91 is listed in Panasonic's official, model-scoped air-conditioner fault table as refrigerant-cycle abnormality.
compressor abnormal revolution
F93 is listed in Panasonic's official, model-scoped air-conditioner fault table as compressor abnormal revolution.
compressor discharge-pressure protection
F94 is listed in Panasonic's official, model-scoped air-conditioner fault table as compressor discharge-pressure protection.
outdoor cooling high-pressure protection
F95 is listed in Panasonic's official, model-scoped air-conditioner fault table as outdoor cooling high-pressure protection.
power-transistor module overheating protection
F96 is listed in Panasonic's official, model-scoped air-conditioner fault table as power-transistor module overheating protection.
compressor overheating protection
F97 is listed in Panasonic's official, model-scoped air-conditioner fault table as compressor overheating protection.
outdoor DC peak-current detection
F99 is listed in Panasonic's official, model-scoped air-conditioner fault table as outdoor DC peak-current detection.
indoor/outdoor abnormal communication
H11 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor/outdoor abnormal communication.
indoor unit capacity unmatched
H12 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor unit capacity unmatched.
indoor intake-air temperature sensor abnormality
H14 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor intake-air temperature sensor abnormality.
compressor temperature sensor abnormality
H15 is listed in Panasonic's official, model-scoped air-conditioner fault table as compressor temperature sensor abnormality.
outdoor current-transformer abnormality
H16 is listed in Panasonic's official, model-scoped air-conditioner fault table as outdoor current-transformer abnormality.
outdoor suction-temperature sensor abnormality
H17 is listed in Panasonic's official, model-scoped air-conditioner fault table as outdoor suction-temperature sensor abnormality.
indoor fan-motor mechanism lock
H19 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor fan-motor mechanism lock.
indoor float-switch operation abnormality
H21 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor float-switch operation abnormality.
indoor heat-exchanger temperature sensor 1 abnormality
H23 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor heat-exchanger temperature sensor 1 abnormality.
indoor heat-exchanger temperature sensor 2 abnormality
H24 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor heat-exchanger temperature sensor 2 abnormality.
indoor ion-device abnormality
H25 is listed in Panasonic's official, model-scoped air-conditioner fault table as indoor ion-device abnormality.