Panasonic · Air Conditioner

Panasonic Air Conditioner H79 error code

Difficulty: Hard · Cost: $80–$200 · Duration: 5m

The H79 error means your Panasonic air conditioner detected a write error in the wireless LAN module — the component that enables Wi-Fi connectivity for use with the Panasonic Comfort Cloud app. This affects smart control features but the unit may continue to cool or heat normally. A power reset sometimes clears a temporary write error. If it persists the wireless LAN module will need to be replaced by a technician.

Common causes

Wireless LAN module experienced a write error during operation
Power interruption during a firmware update corrupted the module
Wireless LAN module has malfunctioned or failed

How to fix it

1

Turn off the unit at the circuit breaker and wait 5 minutes then turn it back on
2

If H79 returns contact a qualified technician to inspect and replace the wireless LAN module