Question about Ovens
when a microwave quits either the Power
Diode or High Voltage Capacitor has failed. When they fail they usually
also cause the internal 15 Amp fuse to fail. The back comes off by
removing the 4 screws (2 on each side) and 6 screws in the back.
(UNPLUGGED!) The you slide the cabinet cover back about 1/2 inch..
lift the rear of the cover 30 deg and remove the cover by pulling to the
rear of the unit.
Once inside take a bladed screwdriver and short across the capacitor at least 3 times just in case it was not the failure. If you don't do this and the Cap is good it can really ruin your day! Then isolate the Cap by removing the set of terminal connections that include the power diode connection. Use an analog meter on R x 10K and probe the cap terminals. You should see resistance then watch the resistance increase to infinity. Reverse the leads and watch for the same indication....resistance then increase to infinity. It should do this each time you reverse the leads. To check the diode you read both ways with the meter leads across the diode. One way will read ZERO ohms and the other way should read close to infinity. (You have to reverse the leads.) Like I said usually the Cap or the diode fails. Make sure you check the fuse for continuity also. Most of the time they fail when one of the 2 components above fail. DO NOT replace the fuse until you replace the failed part. Otherwise the fuse will fail again.
The fuse is located in the fuse block at the end of the power cord.
When your reinstall the cover make sure you ensure the front side locking tabs near the bottom front are engaged with the front of the internal chassis.
If you need product specific parts replacement information we will need your exact model number. I will tell you that if you find the problem via the steps above you can walk into any LOCAL Appliance Parts source store and they will have the part you need in stock.
Thanks for choosing FixYa.
Posted on Sep 13, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
1.Press the "Clear/Off" button on the control panel to reset the oven. This will clear the lock setting and unlock the door.
2.Allow the oven to cool to room temperature to avoid turning the lock on again during this heating cycle.
3.Reset the oven to the temperature you require to finish cooking by pressing the correct temperature control on the control pad.
1.If your GE Profile microwave won't turn on, unplug it, then plug it back in. A power outage may have occurred due to a power surge. Check your home's fuses and circuit breakers.
2.Set the clock of your GE Profile microwave. Certain models will not operate until you set the clock. Select the "Clock" key and type in the correct time.
3.Hold down your microwave's "Off" button. You may have accidentally hit the control-lock feature on your GE Profile microwave. Hold down the "Off" button for three seconds to turn the lock off.
4.If the sensors of your GE Profile microwave are not working correctly, remove the food from the machine. If the sensors detect food-surface temperatures over 200 degrees Fahrenheit, it will not work properly until the area cools down.
5.Contact GE Support if you are unable to resolve the issue on your own. Call the GE Support hotline or browse the help library on the GE website. You can also schedule a service visit on GE's website.
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