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My microwave just keeps beeping with a light flashing. The keypad won't work at all

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  • Microwave Ovens Master
  • 75,822 Answers

You have a defective control panel (contains keyboard), it would be cheaper to just replace the oven.

Posted on Dec 09, 2016

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Posted on Jan 02, 2017

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SOURCE: Keeps beeping and shows F3 but keypad not working

Ya what the ????
Not shure what to tell you, first I would see if leaving unplug for a day would solve your problem, to me sound like main board is defective, also try by opening the door a closing it a couple of time, just in cass a switch is jam open.

Regards

bob

Posted on Jan 20, 2008

caroldon
  • 17129 Answers

SOURCE: my samsung microvave is showing a flashing 5E code and keeps beeping for 5 times and the keypad is not working.

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. 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. Check this link to know how a microwave works:

http://www.espares.co.uk/advice/microwave/a/5/1443/how-a-microwave-oven-works.html

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

Posted on Nov 23, 2011

  • 6771 Answers

SOURCE: emerson microwave mw8115ss In from vacation and

The problem is the keypad "short in the membrane" or the microprocessor control board.

Posted on Mar 19, 2012

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1 Answer

The microwave started flashing SE the display and beeps every once in a while


The "se" stands for shorted keypad. Pretty much the keypad on your microwave is fried. There\'s a wide range of ways it could\'ve happened but you have two options. You can either dissemble the microwave and order parts online for a replacment keypad or buy a new microwave.

Oct 13, 2012 | Microwave Ovens

1 Answer

Kenmore 87002 keeps beeping every minute and I cannot set time. Keeps double beeping when I hit a button Tried unlocking it but still not working


The problem is in the keypad control board, replacement is the only option to remedy the situation, if you decide to repair, check the price of the part first.

Apr 29, 2012 | Kenmore 68361 Microwave Oven

1 Answer

Microwave won't set clock


It is most likely the keypad control board has been damaged, first! unplug the microwave oven for 5 minutes, if this works the micopressor will reset, if it fails the control board will need to be replaced, a costly venture.

Apr 14, 2012 | Danby DMW1153 Microwave Oven

1 Answer

CONSTANT BEEPING WHICH WON'T QUIT


This sounds like a short in the keypad control, you will need a professional to assess the situation.

Mar 26, 2012 | Amana Microwave Ovens

1 Answer

Kenmore microwave beeps light flashes and no display


The problem is in the keypad or the microcontroller ic, this is a situation a professional will be needed, because of the nature of the problem.

Mar 06, 2012 | Microwave Ovens

1 Answer

Microwave is beeping, lock comes on, F2, just keeps beeping by itself


F2 on a KitchenAid mike usually means a Keypad short. Beware if it is a KHMS155LSS, it can self start on its own with a KeyPad short. A real stunning defect.

Sep 08, 2009 | KitchenAid KHMS155LSS 1000 Watts Microwave...

1 Answer

Keeps beeping and shows F3 but keypad not working


Ya what the ????
Not shure what to tell you, first I would see if leaving unplug for a day would solve your problem, to me sound like main board is defective, also try by opening the door a closing it a couple of time, just in cass a switch is jam open.

Regards

bob

Jan 20, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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