ErrorCodeDoctor
Panasonic · Microwave

Panasonic Microwave H20 error code

Difficulty: Hard · Cost: $100–$300 · Duration: Requires professional service

The H20 error means your Panasonic combination steam microwave detected an open circuit in the steam heater. The steam heater is responsible for generating steam during steam cooking cycles. When an open circuit is detected in this component the steam function cannot operate. This requires inspection and repair by an authorised service centre.

Common causes

  • Steam heater element has an open circuit or has burned out
  • Wiring to the steam heater is disconnected or damaged

How to fix it

  1. 1

    Stop using the microwave and unplug it

  2. 2

    Contact a qualified technician to inspect and replace the steam heater

Related Panasonic Microwave error codes

1

Cooling

The cooling fan is running to cool down the internal components — not an error

easy
2

Child Lock / Key Symbol / LOCK

Child lock is active — the control panel is disabled

easy
3

D

Demo Mode is active — the microwave will not heat

easy
4

E01

An internal fault was detected — the microwave requires service

hard