Question about Frigidaire FMV145K Microwave Oven
Hi, my OTR CFMV145 went completely dead, no lights, fan...nothing. The fuse, which I've replaced before is good, so I'm thinking its a thermal cutout (the fan vents were kind of neglected I admit). Its seems that the Hood thermal cutout (70/40C) is open when checked with a multimeter, but I've read that some TCO's are open normally, and close when activated. Anyway of telling this from a schematic? Since it's an expensive part ($80) I don't want to order a new one to find it is not the problem. It has two leads going in and one going out if that makes any difference.
On this model, you can find the wiring diagram and exploded views at this site http://www3.sears.com (the 3 is correct)
In fact, the diagram you need most is here:
The hood TCO (normally open) has grey and red wires on it going to pins 7 & 5 of connector CO 02 on the circuit board.
The other TCOs should read normally closed.
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Posted on Jan 27, 2008
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