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Panasonic Air Conditioner

Panasonic AC H79 error

Wi-Fi module fault

You can usually fix itFrom brand’s official support

Most people can clear this with the simple steps below.

What it means

The built-in Wi-Fi module is not communicating with the indoor unit or could not save its data. App control stops, but the AC usually still works with the remote.

Common causes

  • Temporary glitch after a power cut or router change
  • Loose Wi-Fi module connector
  • Faulty Wi-Fi module

Try this at home first

Tick each step as you go

When to call a technician

If the code stays, a technician should check or replace the Wi-Fi module.

Safety first

Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.

Frequently asked questions

What does H79 mean on a Panasonic Air Conditioner?

Wi-Fi module fault. The built-in Wi-Fi module is not communicating with the indoor unit or could not save its data. App control stops, but the AC usually still works with the remote.

Can I fix Panasonic Air Conditioner error H79 myself?

Usually yes. Start with: Switch off at the MCB for 1–2 minutes and restart.

Is it safe to keep using the Air Conditioner with H79?

Yes, once the cause is fixed.

Other Panasonic AC codes

H59 Eco (motion / presence) sensor fault H64 Outdoor high-pressure sensor fault H67 Air purifier (nanoe / ion) unit fault H70 Light sensor fault H71 Control board (PCB) fault H72 Water tank temperature sensor fault H85 Wi-Fi module fault H97 Outdoor fan motor fault H98 High pressure / overload protection H99 Indoor coil anti-freeze protection F11 4-way (reversing) valve fault F16 Overcurrent / compressor overload

All Panasonic Air Conditioner error codes

Sources

We write every explanation in our own words from these references.

Last checked: 2026-10-20