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Bad element, bad switch or other electrical problem. You could double check switch by turning on broiler element to see if that
gets hot. If so then either oven thermostat, or element. Did the circuit breaker pop off and then you reset? So there is a short somewhere, especially if it happens again. The above test with broiler element could verify power to oven. If it pops the
circuit breaker again. You need a service technician. Usually the oven requires a dedicated wire to the oven. Don't use the oven again until the problem is resolved. There's a slim possibility
that the circuit breaker needs to be replaced. How long did you use the oven? If a long time circuit breaker is more likely because
when they begin to fail they get too hot and therefore pop. You will need an electrician to change the circuit breaker if that is the problem.
Member Discussion on Whirlpool GMC305PRS01 Microwave Oven
Whirlpool Wall oven/microwave combo unit Door message Does anyone know where the 15 amp fuse is? I replaced the 20amp fuse and it worked for a minute or two and then I opened the door and I blew my circuit breaker. I reset my circuit breaker, replaced the 20 amp fuse and now all I get is the Door message. I also noticed that it fused the outside switch on the right side of the door so I had to open the switch up and un-fuse it. This is for a whirlpool GMC305PRS01 Wall Oven/microwave combo unit.
Also if anyone could tell me the correct position the wire is supposed to be hooked up on the switches? I had someone help me take the switch out and they unhooked the wires and now we aren't sure how they are supposed to be hooked up. My light on the microwave doesn't work either. Is it possible the bulb blew when the fuse blew?
The blue wire goes to a seperate 15 Amp circuit breaker or fuse.
This breaker should be powered by the L1 (black) supply feed in the breaker box. The circuit supplies power to the display and control buttons. The red and black wires go to a double ganged 20 Amp breaker. Check inside the oven back cover for a wiring diagram.
My first thought is the power supply to the unit. Cut the breakers and inspect all connections from the fuse box to the oven. You will likely find open connections or corrosion. One breaker could also be bad. Check the voltage with appropriate caution and a voltmeter. Breakers should respond with a snap when turned on.
Note: there are two breakers which control the oven: one with a red wire, the other is black. Each provides 110 volts to the oven in combination with the white neutral. Together, the black and red give you 220. If one of the circuits is out or in poor condition, the bulbs might not work and the oven won't either.