Panasonic Aquarea T-CAP R32 fault H63
Abnormal low pressure sensor
Heat pumpWhat it means
Abnormal low pressure sensor, occurring 4 times in 20 minutes
Likely causes
- Low pressure sensor defective or disconnected
- Insufficient refrigerant
- Clogged strainer or expansion valve
Where to start
- Check low pressure sensor wiring and continuity
- If low, check compressor efficiency, refrigerant charge, and strainer/expansion valve for blockage
The full answer, free
- How to put it right, step by step
- The manual page for this fault (page 164), right under the answer
Safety: Isolate the outdoor unit and any backup heater, and give the inverter capacitors time to discharge before you open the electrics. Anything on the refrigerant circuit needs F-gas certification.
From the Panasonic manual for the Aquarea T-CAP R32. Check the model on the data plate before you order parts.
Other Panasonic Aquarea T-CAP R32 fault codes
- F12Outdoor high pressure switch activate
- F15Outdoor fan motor (DC motor) mechanism locked
- F16Input over current detection
- F20Compressor overheating
- F22IPM overheating
- F23Output over current detection
- F24Refrigeration cycle abnormality
- F25Four way valve abnormality
- F30Indoor water outlet temperature sensor 2 abnormality
- F36Outdoor air temperature sensor abnormality
- F37Indoor water inlet temperature sensor abnormality
- F40Outdoor discharge pipe temperature sensor abnormality
- F41Power factor correction (PFC) abnormality
- F42Outdoor pipe temperature sensor abnormality
- F43Outdoor defrost temperature sensor abnormality
- F45Indoor water outlet temperature sensor abnormality
- F46Outdoor current transformer open circuit
- H12Connection capability rank abnormality
- H15Compressor tank temperature sensor abnormality
- H20Water pump abnormality
- H23Indoor refrigerant liquid temperature sensor abnormality
- H27Service valve error
- H28Abnormal solar sensor
- H31Abnormal swimming pool sensor