ErrorCodeDoctor
Panasonic · Microwave

Panasonic Microwave U65 error code

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

The U65 error means your Panasonic microwave was shut down by the magnetron thermistor because the magnetron reached a dangerously high temperature. The magnetron thermistor monitors the heat of the magnetron tube and triggers a protective shutdown when it exceeds safe limits. Stop using the microwave and contact a qualified technician as this indicates a serious fault with the magnetron or its cooling.

Common causes

  • Magnetron has overheated due to a fault or failure
  • Magnetron thermistor detected an out-of-range temperature and triggered the shutdown
  • Cooling system for the magnetron is not operating correctly

How to fix it

  1. 1

    Stop using the microwave immediately and unplug it

  2. 2

    Contact a qualified technician to inspect the magnetron and 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

U65 error — frequently asked questions

What does the U65 error mean on a Panasonic microwave?

The magnetron thermistor detected overheating and shut down the microwave

What causes the U65 error?

The U65 error is usually caused by: Magnetron has overheated due to a fault or failure; Magnetron thermistor detected an out-of-range temperature and triggered the shutdown; Cooling system for the magnetron is not operating correctly.

Can I fix the U65 error myself?

This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.

How much does it cost to fix the U65 error?

Fixing the U65 error on a Panasonic microwave typically costs $100–$300, depending on parts and whether you do it yourself or hire a technician.

Is it safe to keep using my microwave with the U65 error?

We'd recommend addressing the U65 error before continuing to use the microwave, since hard-rated issues often involve a real fault rather than a minor glitch.