Question about LG LMV2083SW Microwave Oven

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Unit Doesn't Heat

I have this model only an SB and it is just over a year old. The unit runs and pwers fine; however it doesn't heat at all.

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Posted on Jan 02, 2017

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ginko
  • 19396 Answers

SOURCE: Microwave Does Not Heat.

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 alloweddischarge before testing, or you risk to get electrocuted, even ifpower is off. Capacitors can get discharged by shorting their twocontacts.
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).

Posted on Apr 27, 2009

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SOURCE: Model #lmv1630bb. Does not

Hello,

I will advice you verify if the hot surface igniter is coming on when the oven thermostat is in demand. When the thermostat is turned on for the oven you should see the igniter start to glow. You may need to remove the bottom oven panel to be able to see it in action. If it starts to glow then take a wrench and tap the gas control valve located at the back of the oven in the broiler/storage compartment on the bottom of the range. If you tap the valve and the burner comes on then shut off the oven completely and back on several times and make sure it is working. If it does you may have solved the problem. If the burner does not come back on and you have to tap it again then the gas valve is sticking either due to a bad valve or weak igniter. If the igniter does not glow then the igniter could be bad. You would need to verify the igniter is getting voltage. Then the igniter can be tested with a ohm meter. A good reading usually is between 500 to 700 ohms. The hot surface igniter cang get a crack in it causing it to stop working.

Take care.

Posted on Aug 22, 2010

  • 6771 Answers

SOURCE: Very loud motor sound -

The magnetron in the microwave has failed, "heats food" and some cases gives off an odor that stands out. To repair the oven will approach the price of a new one

Posted on May 15, 2011

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First, remove the unit's power cord from the wall, wait for about 30mins, then plug it back in. It may cool by then and might power on. If it doesn't power on, plug it into another outlet, to make sure there electricity entering into the unit.

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Of course, testing the power board with a meter will require someone that has the ability. So it you can't, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.

I wish you the best of luck.

Regards.

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Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101
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