I have a workaround for you, that works for other brands. I am not sure if it will work in your case though. Pls try it:
- It seems that the door closing sensor is not working well, so it might think that the door opened.
- Once you have this problem, open the door and then close it again.
Normally it should work...
SOURCE: Microwave shuts off after 3 seconds
Although your model number doesn't seem to show up, the NNS950-series units are powered by an high-voltage inverter. And yours has failed. While an inverter (switched-mode power supply) is more efficient from a power consumption standpoint, it is more complex, thus more statistically prone to fail. These should only be examined and worked on by someone who has the necessary technical qualifications. Seriously. Often the machine-soldered connections in a microwave inverter are too weak, so they eventually fail, especially if heat is high in the area. They sometimes fail catastrophically. When not catastrophically damaged, you may hear clicking or squealing and may smell an electrical odor, which is sometimes obscured by the cooling fan. Sometimes a whole new inverter is cheaper than the time and labor required to fix the old one. If a technician is willing and able to troubleshoot and repair the inverter to component level, it will may be expensive, but may be worth it, especially if he or she will resolder and reinforce connections as needed as part of a thorough repair. That could easily make your inverter beter than a new one! You might be able to get some verbal estimates if you call Panasonic-authorized appliance / microwave repair shops and ask then specifically about inverter component-level repair and simple inverter replacement costs for your exact model number.
SOURCE: GE Profile Spacemaker 2.0 Microwave
Hey, "timebomb" thanks for that comment but there is absolutely no food stuck there but we did fix it using another persons comments. We went to a local computer repair store and they GAVE us that anti static paper for FREE and we opened up the digital display and covered the inside back portion with the paper that I mentioned and IT TOTALLY WORKED our microwave has been working perfect now since we fixed it on like January 3rd, 2008. We are shocked!!!!!!! Boy, my interned bill paid for itself this month because after doing research we knew that it was going to end up needed a new magnatron plus labor costs, I would have hated to see that bill. WHAT A JOKE, GE definitely knows that this is happening. They SUCK!!!
SOURCE: Ge microwave oven - JVM1653SH shuts off
Sadly, we hear of this over and over.
This
is due to a defective or loose magnetron causing electrical
interference and disruption in the control circuit board.
If
your magnetron was recently replaced, it may have loose mounting nuts
or bolts or maybe the wire mesh RF gasket was not installed or got
pinched.
It may also need a new high-voltage diode and stirrer, and the cavity may be affected.
Details are in their bulletin here. Even if your model is not on the list, the same problem can occur, requiring a kit. The parts kit is similar to this one.
(Your model may use a different kit - this is shown for illustration purposes only).
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.
There
should 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.
You can find helpful exploded view diagrams and order parts by entering your full model number here.
If
it's within the magnetron portion of the warranty (usually 5-9 years)
but out of the original full warranty (usually 1 year), then your
manufacturer will cover the part cost, but not the cost to visit you or
the labor charge to do the work.
They may send you a replacement magnetron. GE Customer Service is here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: GE spacemaker Microwave-Model # JVM1441WD003 no heat -clock ok
This
is usually caused by either a bad door switch or a loose door switch
mount, which are pretty simple problems to fix.
Even though a door
switch clicks, it may still be bad inside.
Door switch
or mount trouble is usually 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. This tab
can be hard to see, since it is under the
bottom edge of the switch.
If the mount is broken, it's usually more economical and
safer to add a dab or two of hot glue to the mount to secure the
switch. Let it cool for about 30 minutes before using.
One test that sometimes
helps is to
gently lift up (and/or push down) on the door or handle as you try to
start it. If it works or tries to work, then it's a door switch mount
or
door alignment issue.
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 should 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.
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.
If you only need a
switch, you can order a universal type here for $5 postpaid.
If you think the problem
is on the control panel, we repair these nationwide by mail
for $39.95 postpaid in most cases in about a week or so.
We're
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
SOURCE: GE Eterna Microwave stops after a few seconds, must reset clock..
The
first thing I would suggest is a hard
reset. Unplug the unit for a
minute or so. Then plug it back in, set the clock and try again.
If that doesn't work,
leave it unplugged for about 5 minutes.
Otherwise, this
is almost always due to a defective or loose magnetron causing
electrical
interference and disruption in the control circuit board.
Details covering some previous
models are in
their bulletin here. Even if your model is not on
the list, the same problem can occur.
If
your magnetron was recently replaced, it may have loose mounting nuts
or bolts or maybe the wire mesh RF gasket was not installed or got
pinched.
NOISY MAGNETRON TEST (c) 2009 William E. Miller [email protected]
(PLEASE do not be fooled into thinking that the procedure outlined at this link is a "fix". It should only be regarded as another test method to prove that you have a noisy magnetron which must be replaced.)
One way to test it is to
do the following:
1. Unplug the microwave
or turn off its breaker.
2. Open the door, then
detach the control panel as shown in the video at http://www.microwavedisplay.com and swing it down, but without
disconnecting the wires.
If you have any trouble getting the grille off once the
screws are
removed, slide the hood vent grille to the left about 1/4", then then
pull it forward. On some models there are L-shaped clips that fit
into a slot to hold bottom of the vent.
3. Plug the microwave
back in.
4. Make sure neither you
nor anyone else reaches in behind the control panel. There will exposed
high-voltage connections.
5. Put a few cups worth of water in a microwave-safe container
and place it inside the microwave.
6. Shut the door.
7. Run the microwave for
about 1 minute or so on full power. (Time Cook > 1 > 0
> 0 > Start, e.g.)
8. If it does not fail,
try it several more times.
9. When the water boils, change the water and try again.
NOTE:
If your model does not have a door handle, you will need to unplug the
oven and reattach the control panel to be able to open the door.
If
it still does not fail, I would recommend that you put it all back
together and keep using it until it fails more consistently, then
repeat this test.
If it keeps failing while the board is in the down position, you either have a very leaky magnetron or possibly another problem.
So you can then get a Ziploc bag and insert a flat piece of aluminum foil into the Ziploc and close it.
Then
(with the power off) tape it over the circuit board as best
you can, covering it as much as you can, making sure it does not get snagged or punctured.
Then try the oven again. Do not leave this test shield in place as a "fix". It is not safe.
While
a microwave should never be left
running unattended under any circumstances (as your owner's manual will
tell
you) it's even more important when one is exhibiting a failure or any
odd behavior.
So play it safe and stay with it while it's running!
If
you or someone you know want to replace the magnetron yourself, you
will need to remove the oven from the wall.
If
so, the installation instructions are very handy, and it's best to have
two people since the microwave can be heavy and awkward.
You can
download GE
owner's manuals and installation instructions here.
There
should be a "mini-manual" (tech sheet) hidden inside the unit
behind the
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating
components.
You can find helpful
exploded view diagrams and order parts by entering your full model
number here.
If
it's within the magnetron portion of the warranty (usually 5-9 years)
but out of the original full warranty (usually 1 year), then your
manufacturer will cover the part cost, but not the cost to visit you or
the labor charge to do the work.
Sometimes they will
send you the magnetron to do it yourself. Call them at 888-239-6832.
Be persistent. You may have to speak with a supervisor.
If it is not within the
magnetron warranty, you can find helpful
exploded view diagrams and order parts by entering your full model
number here.
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
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