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WOC54EC0AS02 Stacked Whirlpool Microwave/Oven Dead

Joined
Nov 4, 2022
Messages
1
Location
29414
Model Number
WOC54EC0AS02
Brand
Whirlpool
Age
6-10 years
My 2005 Whirlpool WOC54EC0AS02 died when I was preheating the oven with the microwave running. The circuit breaker tripped as well.
After resetting the breaker (which stayed in), the control panel was dark and nothing worked. I pulled the unit from the cabinet and
found no voltage on the L1 leg of the power feed. Back at the circuit panel and I discovered that the screw terminal for the L1 leg was never
tightened! -Gotta thank the builder for that!

I now have two legs of power feeding the oven and I have 120VAC at the input to the control board but the only thing that works is the
microwave oven internal light. The two internal fuses are good and there isn't any obvious sign of charring or any other damage to the
circuit boards atop the microwave (I'd love to know what popped that 30A breaker).

The service diagrams don't provide much detail that would help me troubleshoot this further and I'd like to avoid "easter-egging" my way
through buying and swapping out parts. Any idea where to go next?

Thanks in advance!
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
136,041
Location
Vicksburg Junction, Arizona
Hi, That I've not seen before on this model, hopefully another tech. that has can shed some light on this issue.

Other than that>ITS BEST to contact Whirlpool at 1-866-698-2538 and have a tech come out, and if that tech doesn't know either, the tech can call the factory on a special FACTORY HOTLINE tech number from your house, and the factory can get involved in this issue.

Jake
 
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