Question about LG MV1604ST 1000 Watts Microwave Oven
There si a sensor on the bottom of those Micros that is supposed to turn the fan on when it closes, meaning it is hot, then opening when it cools back down. I expect you have a bad thermal sensor. I have very seldom found these to go bad. Another thing that can cause it is a bad door switch back feeding voltage where it is not supposed to. It will make the fan that cools the magnetron run until the bad switch is replaced.
Posted on Aug 16, 2017
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Posted on Jan 02, 2017
All microwaves have an internal fan. Generally, they work whenever the unit is heating. There may be a second 'overload' fan...that may be what they are referring to. If this is an over-range unit, these items have special sensors related to heat from the stove. My advice: don't mess with it if it is doing whatever else you want.
Posted on Dec 19, 2007
Have work on these model, but narmaly they should be easy, to help, unplug it and open the cover to see if you can figure it out better, narmaly it's a clip on stage plastic that hold it in place, The bult could have purchse I think true gooles, with there part # back track it to see if a local shop would have it. $30 was very high.
I hope this help
What About Bob
Posted on Feb 11, 2008
can download Samsung over the range microwave installation instructions
here. If that's no good, try here.
Otherwise, visit this page, click on click on the left-side arrow "Busque por Codigo del Modelo" in the big purple rectangle, enter your model number in the box, then click "Buscar". They may list an English version manual available for download.
We're happy to help you and we'd appreciate your thoughtful rating of our answer.
Posted on Jul 23, 2008
If it is working but not heating, then test the high voltage
capacitor,the rectifier diode.or the magnetron. If all this are fine,
test the control board.If turntable is not running check also the door
The diodeand capacitors can be tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, evenif power is off.Capacitors can get discharged by shorting their two contacts.
Before replacing the magnetron test also the control board.
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.
You can also order from MicrowaveSvc , they also provide parts.
Posted on Jun 02, 2009
I had a similar prob with another brand microwave. It is a defect and they recommended stop using it. Since mine was out of warranty, there was nothing they would do. That night, it came on by itself for the last time with a grand finale of grand finale's firework show. I had to jump on top of the fridge to unplug it. Totally freaked me out. Hint: don't buy cheap $49.00 microwaves. Spend some money and buy a good one or you might be homeless after your house burns down.
Posted on Jun 11, 2009
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