Panasonic · Air Conditioner

Panasonic Air Conditioner H70 error code

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

The H70 error means your Panasonic air conditioner detected a fault with the light sensor — a component found on certain models that detects ambient light levels to adjust operation for energy efficiency. When this sensor fails the light-based auto function is disabled. A qualified technician will need to inspect and replace the sensor.

Common causes

Light sensor has malfunctioned or failed
Wiring to the sensor is loose or damaged

How to fix it

1

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

If H70 returns contact a qualified technician to inspect and replace the light sensor