EM820CPT(F)-PM PURPLE 20L TOUCH SOLO
SOURCE: GH7145XFB-1 not heating properly
Generally, the most common causes of a failure to heat are:
- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk
SOURCE: Microwave not heating food and is making loud noise.
You have burned out the magnatron (heating element) which is common on GE microwaves. most service companies will charge about 200-250 to replace it
SOURCE: microwave works but is not heating up food
can you hear the magnetron operate i.e. light dims,transformer has a louder hum,if so more than likely either the H.v. diode or H.V. capacitor is bad or worst case scenario the mag tube has failed.....costly
SOURCE: my delonghi 800w microwave oven works but does not heat up food
If your handy with getting the cover off and looking inside... check the obvious.
I suspect :
fuse
thermister
relay
If both microwave and Heating elements dont work, then I will assume the magnetron is ok, ans we are dealing with a high voltage issue... and you will need at best... a volt meter and or neon troublelight...
moust appliances have a simple schematic inside... I would start with the heating element first... trace wiring back to circuit board... usually one side of the heating element is connected to the white wire (neutral) and live (Hot) side is controlled thru the circuit board... so finding the neutral should be easy... then trace with neon light or voltmeter...
I know easy for me to say... but with everything else working... it doesnt seem to be the microprocessor that controlls the unit...
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/lisa_52daba487e5b4d53
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