Panasonic · Air Conditioner

Panasonic Air Conditioner H25 error code

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

The H25 error means your Panasonic air conditioner detected a fault with the indoor ion device — the component responsible for generating ions used in air purification features such as nanoe technology. When this device develops a fault the air purification function is disabled but the unit may continue to cool or heat. A qualified technician will need to inspect and replace the ion device.

Common causes

Indoor ion device has malfunctioned or failed
Wiring to the ion device is loose or damaged
Ion device has reached the end of its lifespan

How to fix it

1

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

If H25 returns contact a qualified technician to inspect and replace the indoor ion device