Question about Whirlpool Microwave Ovens

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LIGHT UNDER MICRO WON'T WORK

There is currrent to both lights and the lights are good, but the switch on the pad doesn't do anything. The current is there and the bulbs are good but they don't come on.

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  • Whirlpool Master
  • 9,030 Answers

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

Posted on Dec 17, 2008

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I am having a problem with the under unit light not working. new bulb, no help. Interior light is good


If you are sure bulbs are good then problem is usually the main control board. This is an expensive fix just for lights but the relay that turns the lights on/off is mounted on the main board that also does everything for the microwave. Some older microwaves had separate switches for the lights that were not attached to the main board but almost all newer units have everything on the board and work through the same touch pads on the control panel.

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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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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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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.

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Micro wave oven light works as a work light but when you hit the button for the night light to come on it doesn't come on hit the button again and it's off


The problem is on the control panel, which can be repaired economically.

There is a a YouTube 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.

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Ge microwave says may not change power level at this time. The micro doesn't heat anything up


Make sure that the program controller is working if not check power - step down supply, the pads are responding- if not faulty pads- or the door switches, if the switch contact are not good then it will not trigger the processor to switch on the waveguides.Since in this case the power level cannot be changed it seems the pads are faulty or the processor has hung up. If so the controller board is a suspect.

If the lights or fan work without any display or action of program being triggered to start then it can be a possible fault on the main board or the processor. Sometimes insect secretion can short the board and display panel and so the processor can work in such an erratic manner. If so clean,solder and reset the board.Now identify the parts by clicking this link: http://www.espares.co.uk/advice/microwave/a/5/141/identifying-microwave-parts.html

If there is no heating please do not switch on unless you have confirmed the fault. It is possible that the Magnetron is faulty, the temperature cut off is faulty or the main capacitor is short. It is also quite possible that insect can get into the oven and create soft spots. When you switch on these will create a short and make the voltage jump and in the long run damage the magnetron.
So Remove cover after disconnecting , check for dirt/moisture in the cabin, if so wipe clean and dry, check the magnetron and area clean and use an jet air to clean off. Check the wave guide covers, if food had deposited
then it must be checked or replaced.

See link: http://www.espares.co.uk/advice/microwave/a/5/1146/how-to-replace-a-microwave-guide-cover.html

Now keeping clear of the microwave, switch on, use a cup of water inside to test.
If you notice any sparks shut off as the magnetron or the main HT capacitor can be faulty. replace with same type.
If there is heating without any issues, you can use the microwave safely

Thank You for using FIXYA.

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Apr 24, 2011 | Panasonic Microwave Ovens

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sounds like your touch pad is bad. if its under a year old. call for warranty service.if not you may need to order a touch pad. its not too hard to replace. remove power, take tho screws off the top of the micro holding the top vent cover on. remove the vent cover. above the touch pad is a screw, remove that screw and lift the Assembly up and it will tip out. be careful because you don't want to damage any wires. you can label and disconnect the wires to completely remove the Assembly.good luck!

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Try this site - It has answers to almost anything that can go wrong with a microwave, I know I read something there almost identical to the problem you mentioned:
http://www.repairfaq.org/sam/micfaq.htm.

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I'm having problems with the door switches on my R-1480


We have the R1480-series service manual for this model and have uploaded it to our site here to help you.

You will need the free Adobe Reader to view or print it.

Double-check your wiring against the "pictorial diagram".

The switches will have a "C" (common) terminal, and a "NO" (normally open) terminal, and some will have a "NC" (normally closed) terminal.

As long as those connections are the same and the voltage and current (amps) ratings are the same or higher, any number of switches will work.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

It's easier to secure the switches with hot glue than to replace the latch heads, by the way.

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

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