20 Most Recent Panasonic NN-H275 Microwave Oven Questions & Answers

open it and check screws. anything that vibrates will sooner or later loosen internal screws. maybe put a locking ring on it if u find it ManualsLib Makes it easy to find manuals online serach here for service manual .

Remove fan and check for loose debris or screw that is hitting the fan.

Hello Two options to try: a) Press the Clock / Timer button 3 times b) Unplug, wait a few seconds, then re-plug to power up with the factory settings. You will need to reset your clock and any favourite settings.
This should work with all Panasonic Microwave models.
Good luck

kindly check door lever

Main board is faulty. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/

I can think of several problems with that 1. Defective lights 2. Defective control board 3. Defective control panel, you just have to check one thing at a time.

Pc board faulty

try a company called e spares on the internet they do most parts or can find them