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See the attached page. There is a thermal fuse (Cavity TCO) on the left side that has likely opened. Can you access it for testing continuity?
Yes, the entire thing needs to be pulled out to access it. I suspect that fuse is open. Let me know what you find.
Do you know what the magnetron is?
On the side of it is a thermal fuse in line with the neutral side of the power. Can you test it for continuity?
Yes, provided the transformer is working. The main power comes into the transformer and then out of the transformer to the controls. So, the transformer is likely faulty. Can you test its voltage output?
There is a fuse in line with it. Are you sure the fuse is good? See the attached page.
Is it lighting up now with the new fuse?
That is pretty odd. Is the filter board where you are testing at? See attached page.
Okay, do you have 120 VAC at the input connector? How about at the output connectors?
Okay, but no voltage to the transformer input?
See attached page. Do you have 120 VAC at the CN1 connector?
See the attached page. That means the relay board is faulty.
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If you follow the black and white wires that are the input for the low voltage transformer, they feed from the relay board.
Hello, I see this question is still open and I was just following up to see if you require further assistance.
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