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Panasonic microwave starts to work but stops after 20 seconds Microwaves not working but turntable goes round

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The 22 seconds is the giveaway.

In most cases, this is a problem with the inverter or a bad magnetron.

Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

I would recommend that you contact your nearest Panasonic-authorized servicer.

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jul 06, 2008

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My kitchenaid microwave will not heat in microwave mode. In fact the turntable starts and stops and the display blinks intermittenly. In convection oven mode everything works fine - It heats, turntabl


The magnetron is the main part that gives out microwaves to heat the food. As the convection bit is working this points towards the microwave bits.
The magnetron has a main diode, fuse and transformer to run the microwave bit, any of these could be faulty. A word of warning though, there are extremely high voltages inside microwaves, even when unplugged in the main capacitor. Also to repair this section you will need to be a fully qualified engineer to even order parts for this.
Find a microwave technician who can repair for you

Nov 04, 2014 | Microwave Ovens

1 Answer

Microwave starts then quits, turntable doen't turn


At this time we recommend you locate an authorized service center using the below link. www.panasonic.com/repair Welcome to Panasonic Online Repair

Apr 03, 2014 | Panasonic Microwave Ovens

1 Answer

Just start 15 minutes and then stop


Pull the cover if necessary to see if the fan is spinning. If it's running 15 seconds, your door switches are probably ok, and the touchpad is working, main fuse ok. All that leaves is the circuit board and the magnetron.
Personally, I prefer microwaves with twist timers, not touch pads. A lot less to go wrong.

Nov 22, 2013 | Panasonic NN-S969 Microwave Oven

1 Answer

I have a Panasonic Inverter microwave NN-GT576 and the turntable has stopped working


Replacement of the turntable motor should be carried out by a qualified appliance repair service.

YOUR SAFETY IS PARAMOUNT!

Attempt this only if you are competent.

But here is a basic method if you are mechanically minded and have electrical safety knowledge.

The motor assembly is fixed to the base of the oven usually with two screws and access is obtained usually by removing the inspection plate directly beneath the motor. It is usually a plug in synchronous motor that revolves at a few revs per minute but the plastic cogs in the motors gear box fail and the motor assembly must be replaced. They are fairly inexpensive and obtainable usually from a domestic appliance repair shop.
If you feel confident, disconnect it from the mains power, remove anything in the cavity and turn it upside down if it is a tabletop model, a little more complicated if it is built in!
Remove the inspection plate, sometimes it must be cut out with sharp cutters, and disconnect the motor. Remove the motor and go and get a new one. Fit the new motor and fit the inspection cover back on the base by turning it to fit and using an extra screw fix it then put the microwave back in its position. Plug it back in, with the turntable and plate. Put a cup of water on the plate inside of the oven and heat for 20 seconds to check the plate goes round.
Hope this helps.

Jan 16, 2011 | Panasonic Microwave Ovens

2 Answers

I have a CMW-100 microwave. The turntable has intermittently stopped spinning. Now, it has stopped spinning entirely. Is there a part I need to replace to fix this problem? Judie Snivley


Sounds like the turntable motor has stopped working.

Replacing the turntable motor.

The motor assembly is fixed to the base of the oven usually with two screws and access i obtained by removing the inspection plate directly beneath the motor. It is usally a plug in synchronus motor that revolves at a few revs per minute but the plastic cogs in the motors gear box fail and the motor assembly must be replaced. They are fairly inexpensive and obtainable usually from a domestic appliance repair shop.
If you feel confident, disconnect it from the mains power, remove anything in the cavity and turn it upside down if it is a tabletop model, a little more complicated if it is built in!
Remove the inspection plate and disconnect the motor. Remove the motor and go and get a new one. Re fit it and put the microwave back in its position. Plug it back in, with the turntable and plate. Put a cup of water on the plate inside of the oven and heat for 20 seconds to check the plate goes round.
Hope this helps.

Dec 15, 2010 | Cuisinart CMW-100 Microwave Oven

1 Answer

Panasonic Microwave Model #NN-T993 displays fine and when I push the start button, the display shows it should be working, but turntable is not turning and is not heating.


Sorry to tell you this but some ones has to. Your unit is shot. the cost of repair out weights the cost of a new one. you can get a basic unitn 800 wates for a bout 89.00 you cant repair for that. Try looking at Thrift store;s you can find good clean working microwaves for $25.00 or less no kidding. happy hunting DFD

Apr 12, 2009 | Panasonic NN-T993SF Microwave Oven

1 Answer

Oven won't heat and shuts down after approx. 20 seconds


If it stops after 22 seconds, that means the controller has detected a problem, usually a problem with the inverter or a bad magnetron.

Due to the lethal voltages used and produced in inverters, I do not recommend that an inexperienced person work on these.

You can find an authorized Panasonic servicer here.


We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Dec 18, 2008 | Panasonic NN-S763BF Microwave Oven

1 Answer

The turntable in the microwave does not rotate.


First you need to see if it is the motor that is bad. Usually you find the relay or switch that powers the motor and see if you have voltage.
Microwaves are better left to professionals. A novice could hurt themselves working on a microwave. I would suggest getting a repair man to fix it or buy a new microwave (whichever works out cheaper for you)

May 20, 2008 | Panasonic NN-T774SF Microwave Oven

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