ErrorCodeDoctor
Panasonic Microwave H00 error code
The H00 error means your Panasonic microwave detected a RAM memory failure in the main control system. This is a hardware-level fault with the microwave's control board memory. Stop using the microwave and contact a qualified technician for inspection and repair.
Common causes
- RAM memory on the main control board has failed
- Power surge corrupted the control board memory
- Main control board has malfunctioned
How to fix it
-
1
Stop using the microwave immediately and unplug it
-
2
Contact a qualified technician for inspection and replacement of the control board
Related Panasonic Microwave error codes
Cooling
The cooling fan is running to cool down the internal components — not an error
Child Lock / Key Symbol / LOCK
Child lock is active — the control panel is disabled
D
Demo Mode is active — the microwave will not heat
E01
An internal fault was detected — the microwave requires service
H00 error — frequently asked questions
What does the H00 error mean on a Panasonic microwave?
RAM memory failure detected in the control system
What causes the H00 error?
The H00 error is usually caused by: RAM memory on the main control board has failed; Power surge corrupted the control board memory; Main control board has malfunctioned.
Can I fix the H00 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 H00 error?
Fixing the H00 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 H00 error?
We'd recommend addressing the H00 error before continuing to use the microwave, since hard-rated issues often involve a real fault rather than a minor glitch.