Question about LG LMV1630ST Microwave Oven

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Power turns off

As soon as we press start the unit stops power off. Tripped breaker a few times

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We have the service manual for this model and have uploaded it to our site here to help you. You will need the free Adobe Reader to view or print it.


The first thing to check would be the door switches.

Then I would check the high voltage components. Here are some links you or someone you know can use for test help, but read their safety warnings first:


http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html

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

Posted on Aug 08, 2008

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It shut off as soon I push start on my new wave oven


Have you tried in in a different outlet??? Maybe too many things on the same breaker and it tripped??? Most microaves will draw about 12-13 amps, so depending on what size breaker you have it on you may not be able to have anything else on the same circuit.

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Opening the door tripped breaker a few times, now microwave will not power on.


Sounds like a bad switch should have three primary, secondary, and monitor switch after 5 years change all 3 they are not the same primary and secondary are NO ( normally open ) and the monitor NC ( normally closed ) unit will not come on the fuse on the filter board is blow this usually shorts out the filter board change the switches first and replace fuse may not have to replace filter board hopes this helps.

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This microwave was working perfectly last night and doesn't even look like it has power today. We have done nothing to it. Please help. It is a Kenmore 721.62624200.


First, check to see if the circuit breaker has tripped. Then check to make sure it is firmly plugged in to the outlet. After that, it is time for a technician.

Feb 24, 2015 | Kenmore Microwave Ovens

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Magnetron is gone, just to be sure remove the microwave and use on a different socket. sometimes the breaker becomes faulty after 10 AMPS.

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Microwave won't start when pressing the start botton


call Chas&son,s appliance repair at 579-379-0993 and they will come out the same day no less okay

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My jmc7000 jenn-air blew a circuit breaker. No power to the unit. There is power to the recepticle. I'm wondering if it blew a circuit breaker, does that mean the problem is most likely a big problem...


Yau say a few conflicting things. First you wonder if it blew a breaker, and then say you have power to the receptacle. If you have poer to your receptacle your breaker if not tripped. There are NO breakers Inside of the Microwave. Only 1 time fuses. So, if your init is dead it has probably blown a fuse inside of the unit. If that is the case. Probably shorted HIgh volt capacitor would be my first guess. If it is jsut dead. it can be other things than just a blown fuse. bad thermal protectors, bad low voltage transformer on main circuit board. Burnt wires. Anything that will cause it to lose power inside the unit. From bad parts to bad connections.

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Microwave doesn't start but the interior light goes on when you hit the start button


Hello

Remove the plug from the wall outlet and wait about 10 seconds before re-inserting it. The plug must be firmly inserted to transfer electricity to the appliance.


Open your home's circuit breaker box and reset the breaker if it has tripped and is set to the "Off" position. Simply slide the breaker over to the "On" position to fix a breaker that has tripped.


Plug a different appliance into the same outlet to make sure the outlet you are using is functional. Plug the microwave into a different outlet to see if this yields different results.


Press on the microwave door to ensure it is completely closed. The microwave will not function until the door is fully shut.


Press the "Start" pad on the display panel after setting the time. Failing to press this will result in the microwave not knowing that it should start.


Press the "Stop/Reset" pad on the panel if a program different from the program you want to run has already been entered into the system.


Press the "Clock" pad three times to turn off the demo mode. The demo mode will not allow the appliance to turn on and cook as it should.

Oct 04, 2011 | Microwave Ovens

1 Answer

The light inside goes on but the microwave doesn't


Remove the plug from the wall outlet and wait about 10 seconds before re-inserting it. The plug must be firmly inserted to transfer electricity to the appliance.


Open your home's circuit breaker box and reset the breaker if it has tripped and is set to the "Off" position. Simply slide the breaker over to the "On" position to fix a breaker that has tripped.


Plug a different appliance into the same outlet to make sure the outlet you are using is functional. Plug the microwave into a different outlet to see if this yields different results.


Press on the microwave door to ensure it is completely closed. The microwave will not function until the door is fully shut.


Press the "Start" pad on the display panel after setting the time. Failing to press this will result in the microwave not knowing that it should start.


Press the "Stop/Reset" pad on the panel if a program different from the program you want to run has already been entered into the system.


Press the "Clock" pad three times to turn off the demo mode. The demo mode will not allow the appliance to turn on and cook as it should.

Oct 04, 2011 | Microwave Ovens

1 Answer

Microwave quit working


If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

It may also be the high-voltage rectifier diode.

If you or a friend decide to look into it, we have critical safety information and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

Feel free to post your brand and model so we might be able to give me specific info.

Nov 21, 2007 | Microwave Ovens

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