Panasonic
CZ error codes
Every documented code for this model family, with what it means and whether it is safe to act on yourself.
4 models in this family
- CS-CZ25ZKE
- CS-CZ35ZKE
- CU-CZ25ZKE
- CU-CZ35ZKE
55 codes
- F 11 Four-way valve switching abnormality Fault
- F 16 Total load-current protection Fault
- F 17 Indoor standby-unit freeze abnormality Fault
- F 18 Blocked dry circuit abnormality Fault
- F 87 Control-box overheat protection Fault
- F 90 Power Factor Correction (PFC) circuit protection Fault
- F 91 Refrigerant-system abnormality Fault
- F 93 Outdoor compressor abnormal rotation Fault
- F 94 Compressor discharge-pressure overprotection Fault
- F 95 Outdoor cooling high-pressure protection Fault
- F 96 Power transistor module overheat protection Fault
- F 97 Compressor overheat protection Fault
- F 98 Total load-current protection Fault
- F 99 Outdoor DC peak detection Fault
- H 00 No memory or error Informational
- H 11 Indoor/outdoor communication abnormality Fault
- H 12 Indoor-unit capacity mismatch Fault
- H 14 Indoor intake-air temperature sensor abnormality Fault
- H 15 Outdoor compressor-temperature sensor abnormality Fault
- H 16 Outdoor current-transformer (CT) abnormality Fault
- H 17 Outdoor suction-temperature sensor abnormality Fault
- H 19 Indoor fan-motor mechanism lock Fault
- H 21 Indoor float-switch operation abnormality Fault
- H 23 Indoor heat-exchanger temperature sensor 1 abnormality Fault
- H 24 Indoor heat-exchanger temperature sensor 2 abnormality Fault
- H 25 Indoor ionizer abnormality Fault
- H 26 Minus-ion abnormality Fault
- H 27 Outdoor-air temperature sensor abnormality Fault
- H 28 Outdoor heat-exchanger temperature sensor 1 abnormality Fault
- H 30 Outdoor discharge-pipe temperature sensor abnormality Fault
- H 31 Swimming-pool sensor abnormality Fault
- H 32 Outdoor heat-exchanger temperature sensor 2 abnormality Fault
- H 33 Indoor/outdoor connection wiring abnormality Fault
- H 34 Outdoor heat-radiation temperature sensor abnormality Fault
- H 35 Indoor/outdoor water-counterflow abnormality Fault
- H 36 Outdoor gas-pipe temperature sensor abnormality Fault
- H 37 Outdoor liquid-pipe temperature sensor abnormality Fault
- H 38 Indoor/outdoor brand-code mismatch Fault
- H 39 Abnormal indoor operating or standby unit Fault
- H 41 Abnormal wiring or piping connection Fault
- H 50 Ventilation fan motor lock Fault
- H 51 Ventilation fan motor lock Fault
- H 52 Left/right louver attachment abnormality Fault
- H 58 Indoor gas sensor abnormality Fault
- H 59 Eco sensor abnormality Fault
- H 64 Outdoor high-pressure sensor abnormality Fault
- H 67 nanoe abnormality Fault
- H 70 Light sensor abnormality Fault
- H 71 DC cooling fan inside control board abnormality Fault
- H 72 Tank-temperature sensor abnormality Fault
- H 79 Wireless LAN module write error Fault
- H 85 Indoor/wireless LAN communication abnormality Fault
- H 97 Outdoor fan-motor mechanism lock Fault
- H 98 Indoor high-pressure protection Fault
- H 99 Indoor operating-unit freeze protection Fault
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