Question about Frigidaire PLMV168 Microwave Oven

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Ge microwave surface light (underneath) wont shut off

Please email me at with answer. if it is control board, how can i change it out?

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Re: ge microwave surface light (underneath) wont shut off

PLEASE post the model number off the microwave tag

Posted on Jan 24, 2008

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Product is GE Microwave (Spacesaver-type) JNM1731DM1BB. New surface light bulbs installed. Unable to turn them off or change from bright to dim

Bottom lights are controlled through relays on the main control board which is mounted on the back of the touch pads (control panel).You can check and see if wires are touching each other on the board but my guess is the board is defective and needs replaced.

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I have a GE micro ange hood Model# HVM1540DM1BB, bulbs blew,change them out, now the lights will not shut off. I have powered it down over night, pluged it back in next morning same thing. Any ideas

There is a possibility that the light relay is stuck on. Sometimes a sharp tap on the relay will fix it. If not the control board will need replacing.

Sep 26, 2014 | GE Microwave Ovens

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Changed the light bulbs in my ge jvm315 and know the surface light will not turn off ?

This sounds like the control board also called a smart board in some models has to be replaced.

May 02, 2014 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Ge microwave surface and oven light not working as well as turntable

The problem is in one or two of the door switches, or the keypad control board is the source of trouble.

May 17, 2012 | GE Microwave Ovens

1 Answer

The surface light is out. Need to replace with

You can find and order them easily by entering your full model number from the tag in or on the unit and also find helpful exploded view diagrams here.

Also, your owner's manual should cover that, and they usually have the GE part number inside. You can download them here.

Note that these are likely halogen bulbs, so do not handle them with bare skin. The oils on the skin will reduce their service life.

If after replacing the bulbs, they still won't work, won't shut off, or you have trouble with the fan or turntable, the filaments may have shorted, causing a surge which damaged your control circuit board.

We see (and repair) this a lot. The problem is on the control panel, which we regularly repair nationwide by mail for $39.95 postpaid in about a week or so.

At our Web site, you can get details of our service, plus we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

The lights can can be inoperable or stuck on or stuck in "night light" mode. Sometimes this will similarly affect the fan operation or inside light, too.

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

May 13, 2010 | GE Spacemaker 1.7 Cu. Ft. Over-the-Range...

1 Answer

GE microwave lights and fan do not work

If one of the surface light bulbs burnt out it may have shorted out the control board. Take the control board out and look for a burnt spot on the board. It may be able to be repaired with a drop of solder or solder in a jumper wire. Or you can purchase a new board, which may cost more than you want to put into the microwave.

Jun 20, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GE Microwave oven night light

This is a bad connection or a shorted dimming diode on the control circuit board.

We regularly repair these controllers for customers nationwide with our guaranteed $39.95 service in about a week.

Feel free to contact me directly for more information & help.

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

William E. Miller

Sep 19, 2008 | Microwave Ovens

1 Answer

GE Microwave Spacemaker over the range

It sounds like you may have either a defective keypad or control board.

Is the cottage kept heated in cold months?

Is there any rust on the microwave chassis underneath or on other appliances or surfaces inside the cottage?

This would be evidence that there is condensation settling on the controls or keypad of the oven.

We can normally repair a control panel assembly for $39.95 and if it needs a new keypad, that can add anywhere from $50-$100 to the total, depending on the part cost.

Please feel free to contact me directly if you need more help.

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

William E. Miller, AS-EET

Jun 17, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

4 Answers

GE Microwave Spacemaker oven, Model JVM240

That would almost certainly be a problem on the control circuit board. If the bulbs happen to short / blow out or if they are removed or installed while the microwave is still plugged in, there is often an arc which causes damage to the board. We repair regularly these boards for such problems for $32.50 nationwide.

Dec 23, 2006 | GE Spacemaker JVM1640SJ Microwave Oven

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