Panasonic · Air Conditioner

Panasonic Air Conditioner H31 error code

Difficulty: Hard · Cost: $80–$200 · Duration: Requires professional service

The H31 error means your Panasonic air conditioner detected a fault with the swimming pool sensor. This sensor is used on specific models that integrate with pool heating systems to monitor pool water temperature. When it develops a fault the pool heating function cannot operate correctly. A qualified technician will need to inspect and replace the sensor.

Common causes

Swimming pool temperature sensor has malfunctioned or failed
Wiring to the sensor is loose or damaged
This error only applies to models with pool heating integration

How to fix it

1

Turn off the unit at the circuit breaker and wait 5 minutes then try restarting
2

If H31 returns contact a qualified technician to inspect and replace the swimming pool sensor