The timing circuit in the control board is malfunctioning. It needs to be replaced. The part number is1549726, and the price is $103.30. You can buy it at www.repairclinic.com.
If my answer helps you, please click on the 'accept' button. That's how we experts are paid for our efforts.
Does the oven work after cooling down? If so, you need to replace the charcoal filter, part number(NNN) NNN-NNNN price $18.60. It's most likely clogged with grease and dust deposits. If, after replacing the filter, the problem persists, replace the high limit thermostat on the magnetron, part number(NNN) NNN-NNNN price $4.70. These parts are also available from www.repairclinic.com.
The temperature sensor is mounted on the magnetron tube, which gets hot as it operates to heat food items. When the cooling air flow is reduced, the sensor shuts the magnetron off to protect the tube.
OK. Any amount you deposit is held in your justanswer account, until you click on the