My Maytag microwave stopped heating. Everything

check the air filter and cooling fan.

The common reasons are a shorted diode many use, the inverter board used for control and power, and the Magnetron which does the work

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

dont be a puss just use the thing

Usually when it doesn't het there is a problem with either the magnetron or one of the power tranistors. You would have to get a shop to tell you what the problem is as it can be a few things. If you have warrenty either maytags or from the store just find out from the store/maytag where the repair depot is. They will either repair or replace it. If no warrenty then don;t do anything without getting an estimate. It may be just as cheap to buy a new microwave.

Please check the door switch for proper operation.

Most likely you have a magnetron problem. Easy to replace (DYI) but make sure the high voltage capacitor is fully discharged first against the case.

HI. this is called Magnetron failure. you will need to replace this failed device. it is responsible for the heating of the contents.

built in 3/94 is it worth fixing how much for magetron

Magnatron is suspect. Need to put a voltmeter and see if the input (primary) side to the high-voltage transformer (big heavy iron thing in there) is getting 120Vac. Don't touch the other (high voltage) side of this transformer. If the power is there, you are looking at replacing the magnatron. Its affordable if you do it yourself - buy the part on EBAY - lookup "universal magnatron"