The first time this happened about a month ago, the power returned when the interior ceiling was tapped... it worked for about a month without a problem. Now it has happened again after closing the door, the power comes on by tapping the ceiling intermittently, but it turns off after closing the door again...could it be a door Switch or a short, or loose wire somewhere?
The door switch does sound more likely, and is a good place to start. These switches are well known to be intermittent at times.
SOURCE: Microwave Door Switch Problem?
That model number has too many digits after the JVM. Could it be JVM1339BW02 or JVM1339BW002?
If one is bad, it's probably the bottom switch, whose wiring goes back to the power relay, thermostat, or fuse, depending on eact model.
The switch with thin wires going to a ltitle connector on the board is the door sense switch. That's not likely your culprit.
I usually recommend you replace them all while you're at it.
It sounds like it may actually be a loose or misaligned door or door switch mount.
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
GE models have a very helpful "mini-manual" hidden inside the unit behind the control panel. Handy in troubleshooting.
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: Emerson MW8119SB microwave wont stop running with door closed
It should have a one-year warranty on parts and labor.
I'd call Emerson at 1-800-695-0098 to find your nearest authorized service center to have it fixed free.
It's probably a bad door switch or door switch mount.
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: the GE Spacemaker model JVM1440WH04
This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.
Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.
Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.
There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.
The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.
Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. Other times, it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.
If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: GE Profile Spacemaker 2.0 Microwave
If
it goes dead or blows the breaker or GFI when you plug it in or open or close
the door, then there's a problem with a door switch or door switch
mount.
Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.
Door
switch or mount trouble can be caused by slamming the door or by
opening the door while it's cooking without hitting the Stop pad first.
There
are plastic mounts inside the microwave which hold the door switches
and onto which the door latches lock when you close the door.
The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.
Sometimes
it's a broken tab on the switch holder, allowing the switch to rotate
just out of position. Other times, it's a broken tab on the switch
holder, allowing the switch to rotate just out of position. This tab
can be hard to see, since it is under the bottom edge of the switch.
If
you or someone you know decide to look into it, we have critical
information on safety, disassembly and door switches at our site, and
our link is at our listing here on FixYa:.
You can find helpful exploded view diagrams and order parts by entering your full model number here.
There may also
be a "mini-manual" hidden inside the unit behind the control panel or
hidden on the left side behind the grille, which is very helpful when
troubleshooting & testing.
We're happy to help you and we'd appreciate your
thoughtful rating of our answer.
SOURCE: GE SPACEMAKER JVM1650
When door open the microwave should not work at all, if the turntable and light come on with the door open , if they do , then this is an additional problem with door switch and must be fixed.
Regarding humming noise and no heath, Test the high voltage capacitor,
the rectifier diode.or the magnetron.
If it additionally does not spin and no light, then check also the door switch.
The diode and capacitors can br tested. The capacitor must be allowed
discharge before testing, or you risk to get electrocuted, even if
power is off. Capacitors can get discharged by shorting their two
contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.
All locations, and description of this parts can be located using the diagram here: Counter top.
Parts must be tested to find out what is wrong.
Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.
Regarding parts, contact the seller here to purchase parts. (here in UK).
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