Knowledge base
Panasonic fault codes
Aquarea
Panasonic Aquarea heat-pump fault codes for professionals. Diagnose H64, H15, H20, F15 and H62 with root causes, step-by-step checks and AskMarcel-sourced corrective actions for Aquarea systems.
H31 • AQUAREA L R290 generation HYDROBOX series service manual — p
Fault code H31 Panasonic: causes, diagnosis and solution
Fault code H31 indicates a swimming pool sensor malfunction detected when the anomaly persists for 5 seconds. This fault can result from a defective connection, a damaged sensor, or a faulty indoor sub PCB.
H64 • AQUAREA L R290 generation HYDROBOX series service manual — p
Panasonic fault code H64: causes, diagnosis and solution
Fault code H64 indicates an outdoor high-pressure anomaly detected when the sensor signal is 0 Vdc or 5 Vdc. This detection occurs after 1 minute of compressor operation and triggers unit shutdown if the anomaly persists 4 times within 120 minutes.
F15 • AQUAREA L R290 generation HYDROBOX series service manual — p
Panasonic fault code F15: causes, diagnosis and solution
Fault code F15 indicates a blockage of the outdoor fan motor (DC motor) detected by the Hall IC when the rotational speed exceeds 2550 rpm or falls below 50 rpm. This fault is confirmed after two occurrences within a 30-minute period.