Fault Codes / Panasonic Aquarea

36 codes

WH-Serie

• F12 — Pressure switch activated.
• F14 — Outdoor compressor abnormal revolution.
• F15 — Outdoor fan motor lock abnormality.
• F16 — Total running current protection.
• F20 — Outdoor compressor overheating protection.
• F22 — IPM (power transistor) overheating protection.
• F23 — Outdoor DC peak detection.
• F24 — Refrigeration cycle abnormality (insufficient refrigerant).
• F25 — Cooling/heating changeover abnormality (4-way valve).
• F27 — Pressure switch abnormality.
• F36 — Outdoor air temperature sensor abnormality.
• F37 — Indoor water inlet temperature sensor abnormality.
• F40 — Outdoor discharge pipe temperature sensor abnormality.
• F41 — PFC control fault.
• F42 — Outdoor heat exchanger temperature sensor abnormality.
• F43 — Outdoor defrost sensor abnormality.
• F45 — Indoor water outlet temperature sensor abnormality.
• F46 — Outdoor current transformer open circuit.
• F48 — Outdoor EVA outlet temperature sensor abnormality.
• F49 — Outdoor bypass outlet temperature sensor abnormality.
• F95 — Cooling high pressure overload protection.
• H12 — Indoor/outdoor capacity unmatched.
• H15 — Outdoor compressor temperature sensor abnormality.
• H23 — Indoor refrigerant liquid temperature sensor abnormality.
• H38 — Indoor/outdoor mismatch (brand/PCB).
• H42 — Compressor low pressure abnormality.
• H62 — Water flow switch abnormality.
• H64 — High pressure sensor abnormality.
• H70 — Back-up heater OLP abnormality.
• H72 — Tank sensor abnormal.
• H76 — Control panel–indoor communication abnormality.
• H90 — Indoor/outdoor communication abnormality.
• H91 — Tank heater OLP abnormality.
• H95 — Indoor/outdoor wrong connection (supply voltage).
• H98 — Outdoor high pressure overload protection.
• H99 — Indoor heat exchanger freeze prevention.