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No power displayed on the control board - Kenmore Elite HE4 Electric Dryer

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Have u tried reetting it

Posted on Oct 02, 2009


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LG WM2016CW When I hit on button it chimes but control panel doesn't light and washer won't start

To determine if the user control and display board is defective, try pressing the buttons on the control panel. If some of the buttons work, but others do not work, the control and display board might need to be replaced. Additionally, if the display is not working, check the power to the user control and display board. If the user control and display board has power, but it isn't working, replace it.
The main control board may also be faulty.

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No sorry there is no reset button. If this happened during an outage there is a possibility that there was also a surge. Electronic control boards are sensitive to sudden changes that may have swelled the tops of the capacitors on the control board. HERE=> 2303843 Dispenser Control Board
Have someone unplug the power and look over the 2303843 Dispenser Control Board Sometimes you can see damage but most times you will not see a problem with the board. . I am here should you need me, Thanks John Tripp Appliance 911

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Display is blank on GE 1420 microwave.

Normally you must have a problem with the power supply located in control board.
some models has separated the a) display board and control board b) other has in one board.
see the picture. depending you must to replace respectively. However unppluged the power cord, and clean with erase pencil the ribbon cable coming from keypads display vs control board, and see if you can restore it.
Otherwise you must can call some service tech.
God bless you

Aug 02, 2012 | Microwave Ovens

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Display blank

this a problem with power supply coming inside from control board and transformer.
Sometimes some model has a) display board b) control boad separetely c) other has integrated in ONE board.
you must take the decission to call some service tech.
However you must try with erase pencil clean the ribbon cable from display board vs control board and see if restore it. Of course you must unppluged the power cord see the picture.
God bless you

Aug 02, 2012 | Microwave Ovens

1 Answer

I have a treadmill york barbell max series 2, keeps displaying err in the speed window and wont start up at all, sometimes it will start working and then sometimes it wont and err comes up again

1) You have out of adjustment the sensor reed switch,see the 1/8" or 3mms aprox.
2) With this you will fix it.
3) However if the problem persist, you must check if the display board is o.k or faulty.
4) Test the 5VDC for IC( Including EPROM, ROM,etc) Tight flexible cable for Display Board vs Lower Board(Main Controller Board).
5) Since the Lower Board send the Power Supply coming from the Transforme you must Test it, and then power supply for +5Vdc.
6) You must have Strong Conclusion if the problem is Upper Board or Lower Board(Main Controller Board) .
Finally The Lower Board Control 90% functions of the Treadmills.


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1 Answer

Fitnex t60 display says prg bad, what does that mean and how can i repair it

1) You must test first the power supply for +5DC for I.Circuit( Including EPROM, ROM, etc)
2) Test the flexible cable between KeyPanel and display board, and clean.
3) Chechk the connector between Display Board with the lower board(Main Controller Motor)for loose connection, loose wire.
4) Test the transformer controller supplying the 12VCA, to the power supply at the Main Controller Board since this supply the +5vd to the Display Board.
Finally you must have Strong Conclusion if the problem is 1)Display Board faulty, 2) Power supply Faulty, 3) Transformer Controller Faulty 4) Main Controller Board Faulty.

For All test you must use Dvoltmeter.


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1 Answer

Whirlpool gdb307 oven display not working after storm

Some things to consider:

1. There are two thermal fuses on this unit
- one fuse is in the bake/broil element circuit and if blown, would cause no-heat but the display would still light.
- the other thermal fuse is in series with power to the control board, if blown the control board display would be dark and no oven related functions would work

2. There is a low voltage transformer that supplies power to the control board that sometimes gets damaged by lightning surges. This would also cause the display to be dark with no oven functionality.

3. We repair a number of these control boards that are damaged by lightning storms. Here's a link to a related article that might be helpful:


Best Regards,

Mar 03, 2010 | Whirlpool Ovens

2 Answers


If your control panel is dead, then its very possible your power supply board is defective. Normally the power supply board is seperate from the display board.

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