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Re: LG micro oven it not heat
If the fuse is blowing when the door is opened or closed, then it's likely to be a door switch. You would have to replace the defective switch and the monitor/short switch. On inverter ovens, it is also recommended that you replace the power relay.
If it's blowing after the oven starts running, then it's probably a failure of some high voltage component in the magnetron circuit.
I am not an expert on Miocrowave ovens, but from past experience I know that they have a number of micro-switches on the door as safety devices. If these switches are faulty, the last safety feature is to short the supply and blow the fuse to stop the microwave from operating in an unsafe condition. Obviously the switches would have to be checked first before jumping to any conclusions and a number of other faults would probably cause the fuse to blow as well.
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Hi, Look at the home breaker box or fuse box to check for a tripped breaker or blown fuse. If your oven is not heating because there is no power, you may need to replace a fuse or reset a breaker. Also check the power outlet to confirm that the oven is plugged into the outlet securely.
Press the "START/ENTER" button to get the oven to heat after selecting your temperature, if you cannot get it to heat. If you do not press this button within five minutes of setting the temperature, the oven heating cycle will automatically be canceled and the oven control panel will return to displaying the sign.
Calibrate the temperature setting on the oven if it is not heating at a temperature that you like. Do this by holding down the "BAKE" button until the current calibration setting appears, which will be a temperature followed by "CAL." Use the up and down arrow button to increase the temperature and press the "START/ENTER" button once you are done. You can increase in five degree increments up to an additional 35 degrees.
Call the Whirlpool customer interaction center at 800-253-1301 if your troubleshooting fails to fix your heating problem. The customer service representative can give you contact details for a local service technician so that you can have the oven looked at by a professional.
if microwave is counting down but no heat you either have a loose connection at the magnatron tube or the thermal cut out fuse that is connected to the magnatron has blown or you have a micro switch, that has failed
it would be the magnatron thats blown this will stop it from creating heat as to the turn table going at same time tricky one. either way the magnatrons are expensive and very dangerous to replace scrap it and get a new one
HI. in most cases, this will lead to a failed Heating device(magnetron tube).It would be wise to check the Magnetron cutoff fuse to be sure of its integrity. if the fuse is blown, simply replace it. if the fuse continues to show continuity, replace the magnetron.
(((The fuse is located inside the unit along side the magnetron)))
the fuse to the magnetron may be blown or the mag it's self is gone. if the door switch was bad the unit wouldn't rotate the carousel. if it is the fuse (check with a multi-meter and check continuity across both side of the fuse, acheap one will do) if it is good, time to replace the micro, as they are cheap and repair would cost more than to replace. hope this helps.