Question about GE XL1800 1100 Watts Microwave Oven
The high pitch sound to me may be coming from the speaker on the main circuit board. Try to unplug for a few minutes, reset clock time and then try again. If same issue, may need new PC board. When you say Microwave continues to run are you meaning the Turntable is turning and the fan running?? Or is it just timing down. Almost never does it actually keep heating. On GE units I mostly find bad door switches will cause a back feed and make the tray turn and the cooling fan for the mag to run. To see if that is the problem You have to look at the door switches behind the front panel on the left side and see if any of them have any browned connections on the terminals where they push ontl the back of the switch. That will cause the fan and turntable toi run, but wouldnt cause a high pitch squeal. These companies use switches wtih small 3/16 terminals that dont give a good enough grab on the switch, they get loose and hot and make the switch go bad. I replace that switch with a switch with 1/4 inch terminals and runa short section of Hi temp wite to it and it wont go bad again. Just cheaply made!! Also I guess the squeal could come from the turntable motor area. So By fixing the switch problem it could fix your squeal. With nothing else running you may be able to hear motor and coupling noise you couldnt hear before.
Posted on Aug 18, 2017
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Posted on Jan 02, 2017
What's happening is you are activating one door switch a little before the other, and that is causing your light, fan, and turntable to come on. The plastic parts are not perfectly rigid, so they flex a little when you press the button, and that causes the lag to be more apparent. Even if you press the door open faster and look really close, you may notice the light, fan, and turntable coming on for a split second. That's perfectly normal. The relay on the control board must also be turned on before it will actually be cooking.
Posted on Feb 23, 2007
The "main" relay on the control circuit board is stuck (shorted) and needs to be replaced.
We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week with a one-year guarantee.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.
Feel free to contact me directly (and please remind me of your full model number) for more information & help.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
William E. Miller
Posted on Dec 02, 2008
The panel may have a short or need to be tested for replacement. You should try and leave unplugged for 8 hours so power supply can fully drain power and reset microwave
Posted on Aug 25, 2009
There is no reset button for this type of problem to be properly solve.
this type of problem can be view from two angle here below
1) From the wall power supply connection
2) from the oven wires connection to the panel or unit control
What this could indicate from your explanation is that there has been a bring of wire from the power control connected to the element (heater), what you are to do to solve this problem carefully, is to carefully unscrew the oven then trace the wire from the main power supply down to the control switch (panel or unit) after you most have unplug it from power supply to see if there is any of meant wires around if you are un able to trace any loose/bad wire then couple it back to it position and trace the problem to the main power supply from the wall mean that a partial contact from the wall unscrew it with a screw driver (technician tools )fix it up and then couple it back with this the problem of continuous will be solve.
thank you and thanks for using fixya.
Posted on Sep 11, 2010
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