ErrorCodeDoctor
Panasonic · Microwave

Panasonic Microwave H30 error code

Difficulty: Hard · Cost: $80–$250 · Duration: Requires professional service

The H30 error means your Panasonic microwave detected a fault with the oven cavity thermistor — the temperature sensor that monitors the heat level inside the oven cavity. Without an accurate temperature reading the microwave cannot regulate cooking safely. This requires inspection and repair by an authorised service centre.

Common causes

  • Oven cavity thermistor has malfunctioned or failed
  • Wiring to the thermistor is loose or damaged
  • Thermistor is giving an out-of-range reading

How to fix it

  1. 1

    Stop using the microwave and unplug it

  2. 2

    Contact a qualified technician to inspect and replace the oven thermistor

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