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After lose of power storm, it will not power up House power restored and wall panel has power Is it possably Thermal fuse

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LG ldg3016st has no power on main control panel


Did you have any power surges in the house? Any thunder storms?? even if you are not using a microwave, but it is plugged in , you see the clock?? That means it is getting power and running the clock so while you may not be cooking in it, it is actually using power to run the clock functions. So, if there was a power surge, it damages a part on the main board called the Low voltage transformer. It takes the 120 volts from the wall and drops it down to the voltages the board needs to operate, sometimes 5,12 24 or maybe 30 volts. If the primnary winding gets damaged from a surge of some sort. it will no longer light up if that small transformer was damaged. That can happen without even blowing the fuse as the small wires in the transformer were never meant to carry the 15 or 20 amps the fuse is rated at. So the transformer goes bad and the unit is dead but no blown fuse. Have to check the primary winding of the low volt transformer to see if it has continuity. If not, will need new main circuit board. Sorry But $$$$$

Sep 16, 2017 | LG Microwave Ovens

2 Answers

Panasonic Microwave NN-CT552W has no power - plug fuse ok - Has it got a thermal cut out or internal fuse? - Unit was ok after cooking some jacket potatoes


All microwaves has both internal thermal cut out and internal fuse, Yours problem sounds like an open 9 volts transformer that power up the front panel

Nov 07, 2014 | Microwave Ovens

1 Answer

I have a GE microwave that simply stopped working.


If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

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.

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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.

Accessing some components for testing and possible replacement will require you 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.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

If it's under warranty or you prefer to have a technician work on it, GE Customer Service is here.

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

Jun 25, 2009 | GE Profile 1.1 Cu. Ft. Mid-Size Microwave...

1 Answer

Goldstar mv1502w has no power.Not even on display.


You can find the service manual here.

(Also, the owner's manual is here in case you want it)

I would suspect the magnetron thermal fuse / thermal cutout / thermostat (depending on which it has) or the oven cavity thermal fuse / thermal cutout / thermostat (depending on which it has).

To access some components, namely the oven cavity thermal device, you will need to remove the oven form the wall, in which case the installation instructions are very handy.

You can order L.G. parts from Encompass. Or you can call them toll-free at 866-779-5835.

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

Mar 14, 2009 | Goldstar MV-1515 Microwave Oven

1 Answer

No Power, Outlet is Fine


Most microwave fuses should be near the front. At least GE's are. You shouldn't have to take it down. unscrew th fan grill and it should be right behind it.

Jan 09, 2009 | Whirlpool GH4155XP Microwave Oven

1 Answer

GE Spacemaker xl1800 microwave oven randomly turns off


While you checked the wall receptacle it could be a loose connection in your breaker panel where the breaker snaps into the buss bar. Try the unit in an outlet on a totally different breaker and see if you have the same problem. I also say this a lot, if you have a bad fuse holder in the unit it can make the fuse go bad by betting hot and melting so you could have either a bad or weak fuse holder or bad wire connections to the fuse holder. These companies are using some pretty cheap fuse holders these days!!!

Oct 31, 2017 | Microwave Ovens

1 Answer

Gh5184xp no power


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 site, we have a video showing how to remove a typical over the range control panel assembly in under 5 minutes.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

The fuse and magnetron thermostat can be checked without pulling the oven form the wall.

But if you need to check the cavity thermostat, the oven will need to be removed from the wall, and it helps if you still have the installation instructions.

Whirlpool customer service is here and you can also enter your model number on that page to download your owner's manual, installation instructions, etc..

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

Oct 21, 2008 | Whirlpool MH7140XF Microwave Oven

1 Answer

Microwave/small appliances do not turn on when plugged on to the power outlets on one wall.


What does "control panel has all fuses working" mean?

Are you saying you have an old-fashioned fuse panel in your house, instead of a modern circuit breaker panel?

If so, then I would suspect a bad connection in the panel.

If you indeed have breakers, a breaker can snap into the on and positions and still be bad.

Either problem sounds like it should be handled by a qualified electrician.

The power company or your insurance company would likely reimburse you for all or part of the electrician's bill, but you shoudl call first to be sure.

It's possible to have a faulty neutral connection in your wiring. That can lead to damage of several appliances and bulbs, and even pose a real fire or smoke hazard.

Please do not hesitate to get things fixed when you have home electrical problems!

Nov 04, 2007 | Samsung MW5351G Microwave Oven

1 Answer

Microwave dead after power surge.


A) The fuse you change was the one on top just behind the control board? correct? Not the one on the door hinge side of the microwave. (as is is the Thermal cutout ) Then most likely took out the control board... i would also check the Capacitor and recifier let me know it this helped?

Aug 14, 2007 | Frigidaire PLMV169DC Microwave Oven

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