Question about GE Microwave Ovens
Please reply back with your brand and model number so we can help you.
The first thing to try is a "hard reset". Unplug it from the power line for a few minutes, plug it back in, set the clock, then try again.
Let us know if the hard reset doesn't fix it.
Posted on Jun 08, 2008
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A door switch is a simple on/off
mechanism that prohibits the microwave from operating when the door is
open. Microwave door switches are only an inch long. Most are black in
color and all have metal prongs, called terminals, extending out from
the body of the switch. Microwave door switches are normally mounted to a
bracket near the door latch. Also, microwaves usually have three or
four door switches.
There is a latch (sometimes referred to
as a hook) attached to the inside of your microwave door that comes in
contact with and activates the door switch when the door is closed.
Examine this prong first. You may not be experiencing any problems with
your door switch. Perhaps the latch on the inside of your microwave door
is missing or damaged, leaving it unable to activate the door switch.
Some door switches have only two metal
prongs extending from the body, while others have three. Those with
three terminals will have a common (COM) terminal, a normally closed
(N.C.) terminal, and a normally open (N.O.) terminal. Those switches
with only two terminals will have either a common terminal and a
normally open terminal, or a common terminal and a normally closed
terminal. We are providing directions for testing a door switch with
three terminals. If you are dealing with a door switch that has only two
terminals, ignore the part of this test that does not apply to you.
Using caution, remove all wiring
harness leads from the switch's terminals. Be aware that some door
switches may have a locking clip keeping the harness from coming loose.
In this case, there is a protruding lever which must be depressed while
the harness is gently pulled away from the terminal.
Use your ohmmeter to test your switch
for continuity. Begin by setting your ohmmeter to measure resistance at a
scale of Rx1. If you are using an analog meter, touch the metal tips of
the test leads together and zero your ohmmeter by adjusting the
thumbwheel in the front of the meter until the needle reads '0' on the
Touch one meter lead to the COM terminal and the other lead to the N.O. terminal. Do not push in on the actuator. Your meter should give a reading of infinity, meaning the circuit is open, and there is no continuity. Without moving the meter's leads, press down on the actuator until you hear a 'click'. With the 'click' of the actuator, the meter should produce a resistance reading of zero ohms. This means the circuit is closed and continuity is presen
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