Panasonic · Air Conditioner

Panasonic Air Conditioner H59 error code

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

The H59 error means your Panasonic air conditioner detected a fault with the eco sensor — the component that detects human presence and movement in the room to adjust operation for energy efficiency. When this sensor fails the eco function is disabled but the unit may continue to cool or heat normally. A qualified technician will need to inspect and replace the sensor.

Common causes

Eco presence sensor has malfunctioned or failed
Wiring to the sensor is loose or damaged
Sensor is giving an abnormal reading

How to fix it

1

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

If H59 returns contact a qualified technician to inspect and replace the eco sensor