Question about Samsung SMH7178STD Microwave Oven

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Smh7178std control panel

Replacement light bulbs do not work.

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How do i change the bulb on ag821azh microwave x2


follow this steps and use the VOM for fix it. God bless you

Light Bulb

If the microwave light bulb is not working it is usually located behind the upper grille and behind an access panel, and above the lower panel. On counter top units you will need to remove the outer cover to get to the bulb. If that doesn't solve the problem check the on-off switch, and control board


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Main Control Board

If the microwave light bulb is not working check the light bulbs, sockets and wiring. If they are good the main control board might be defective.





Light Bulb Socket

If the microwave light bulb is not working and a new light bulb doesn't solve the problem, the light bulb socket might be burned out and need to be replaced.

Jun 19, 2013 | Microwave Ovens

1 Answer

The lamp of won't work


follow the steps and fix it. God bless you

ight Bulb


If the microwave light bulb is not working it is usually located behind the upper grille and behind an access panel, and above the lower panel. On counter top units you will need to remove the outer cover to get to the bulb. If that doesn't solve the problem check the on-off switch, and control board





Main Control Board

If the microwave light bulb is not working check the light bulbs, sockets and wiring. If they are good the main control board might be defective.


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Light Bulb Socket

If the microwave light bulb is not working and a new light bulb doesn't solve the problem, the light bulb socket might be burned out and need to be replaced.

Jun 11, 2013 | Neff H5642 Convection / Microwave Oven

1 Answer

Clock on control panel works, control panel counts down when start is pushed, light inside doesn't work nor fan or light under unit. I replaced fuse but wasn't the problem. Any ideas? I first noticed...


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.

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.

microwavesvc_4.jpg

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

Dec 02, 2010 | Whirlpool MH1150XM Convection/Microwave...

1 Answer

My GE Advantium Microwave first had the cook top light go out. I replaced the bulb and it worked for about a week. The control panel went haywire, and then the interior light went out. I have replaced...


In this case, you have to check the control panel. There might be wire connections and contacts that loosens. The bulbs inside the oven is connected to a switch that that only functions once the oven is in closed position.

Nov 05, 2010 | GE Advantium SCA1001SS Convection /...

1 Answer

Under mount light will not turn off on my samsung microwave.  


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.

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.

This can often also affect the exhaust fan, cooling fan, turntable, and/or inside light operation, too.

Details of our service are at our Web site, along with a video showing how to remove a typical over the range control panel assembly in under 5 minutes.

Feel free to contact me directly with your brand, full model number and symptoms.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Dec 05, 2009 | Samsung SMH7178STD Microwave Oven

1 Answer

Fan and cook top lights no working (samsung SMH7175WC microwave)


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.

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.

This can often also affect the exhaust fan operation, too. The lights and fan can be inoperable or stuck on too.

Feel free to contact me directly (and please remind me of your full model number) 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
prototech@usa.net
http://www.microwavedisplay.com

Jan 10, 2009 | Samsung SMH7178STD Microwave Oven

2 Answers

GE MIcrowave model JVM1631BJ01 hood lights won't work


The part that controls that is goes through your control panel on your microwave. For the lights to come on to start with the door being closed switches have to be working right and when you press start the lights come one. When the microwave is through cooking and you open then close the door then the lights should go out. The logic IC on the control panel board that detects all these events is not being reset correctly. Unless you get a microwave tech to track down the component on the control panel circuit board it is not something that you could do on your own since it takes voltage and signal checks with the proper equipment and then some soldering and desoldering of the defective component(s). Good luck and God bless.

Dec 22, 2008 | GE JVM1631 Microwave Oven

1 Answer

Samsung SMH7178STD microwave fan stopped working


It looks like the part of your computer board on microwave which responsible for controlling light and fan stop working. In this case you have to replace computer board.

Dec 03, 2008 | Samsung SMH7178STD Microwave Oven

1 Answer

Microwave problems


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.

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.

This can often also affect the exhaust fan operation, too. The lights and fan can be inoperable or stuck on too.

Details of our service and critical safety information and disassembly information is at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

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

Mar 22, 2008 | Microwave Ovens

1 Answer

Samsung Microwave model # SMH7178STD just stopped working.


This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.

Even though a door switch clicks, it may still be bad inside.

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

You can find Samsung-specific parts here: http://www.samsungparts.com/search/search.asp

Nov 04, 2007 | Samsung SMH7178STD Microwave Oven

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