SOURCE: No power from Whirlpool.
The problem was a defective switch. There are 3 switches on mine. 1 on the top door latch, and 2 on the bottom. one of the switches on the bottom connected the power and neutral together, unless it was activated at the same time as the other 2, causing the breaker to trip or the internal fuse to blow. When unhooking the wire going from this switch to the other switch, everything works great now. Though I still need to replace the switch.
And for Basic 1. Yes my microwave did have a fuse in it it's ceramic, I got a pack of them at Radio Shack 4 for 3$ 250V 20 Amp. There should be a wiring diagram inside the microwave, mine was inside a black bag, so it may be hard to see.
Mine was up top next to the fuse behind the Plastic Grill and then a small metal grill. Some are behind the control panel, to fix this remove the screw at the top and then slide the control panel up and it should unhinge.
SOURCE: gfci breaker for spa
gfci's are designed to trip if they receive voltage on there ground/neutral side, therefore my vote is for Smithbrother I would say there is probably a partial short somewhere in you system.
SOURCE: GFCI Outlet Tester shows all three lights on
I had one do this and I had to install a new one due to the other one being faulty internally
SOURCE: No power to microwave?
The cord may be defective either 1) at the plug end, 2) internally inside your microwave, or 3) inside the cord itself.
Otherwise there may be an internal fuse that has blown due to a surge, etc.
It is not so difficult to check. Open the rear cover of the unit, and check for an in-line fuse. If there isn't one, or if it's okay, then use a tester to confirm if power is getting to the unit by placing the probes on on both positive and negative contacts. If you don't have a tester, you can use a basic unit (a light with 2 wires/probes) that Home Depot has in the electrical department for a couple of bucks.
SOURCE: i have cooper combination switch and gfci out let
Hi ,., the two screws on the one side of the combo are for the white , neutral wires, they should be interconnected with a small link. The screw at the bottom of the switch connect the black power wire, then jumper a wire between the other two screws on that side and the switch will be controlling the receptacle.
If you find the fuse blown or circuit breaker tripped, unplug everything from the circuit to which the microwave is connected (keep in mind that other outlets may be fed from the same circuit). Replace the fuse or reset the circuit breaker. If the same thing happens again, you have a problem with the outlet or other wiring on the same branch circuit. If plugging in the microwave causes the fuse to blow or circuit breaker to trip immediately, there is a short circuit in the power cord or elsewhere.
The microwave oven may be powered from a GFCI outlet or downstream of one and the GFCI may have tripped. (Removing a broken oven lamp has been known to happen.) The GFCI outlet may not be in an obvious location but first check the countertop outlets. The tripped GFCI could be in the garage or almost anywhere else! Pushing the RESET button may be all that's needed.
Next, try to set the clock. With some ovens the screen will be totally blank following a power outage - there may be nothing wrong with it. Furthermore, some ovens will not allow you perform any cooking related actions until the clock is set to a valid time.
Assuming these are not your problems, a fuse has probably blown although a dead controller is a possibility.
While you can do some repairs on your microwave, what you don't know can kill you... even on an unplugged microwave, so make sure you understand the dangers and how to reduce them before you try anything inside a microwave. If you want to do more yourself, go to the link at the top of this post.
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