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Whirlpool Gold Mod GBD277PDS5 blank display


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21 replies to this topic

#1 one_redraider

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Posted 13 March 2014 - 10:12 PM

Over the course of a few days the oven display went from normal to dim to blank. Oven beeps when buttons are pressed on the control panel but does not operate. When doors are open the lights come on. Need advice on where to begin diagnosing for repair. #doubleovenlessinVA

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#2 PDuff

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Posted 14 March 2014 - 01:25 PM

Check the suppressor board at the main terminal block for damage.  Symptoms vary when damage occurs to this component.



#3 one_redraider

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Posted 21 March 2014 - 12:21 PM

On the control board, R162, looks "fried". Where can I find out what this element is and does? Any further recommendations?

#4 DurhamAppliance

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Posted 21 March 2014 - 08:08 PM

usually when you hear a beep when pad buttons are pressed but nothing happens and your display is dim, you have a bad control board. This model does have a transformer so you might want to check the resistance of the transformer.

not sure where r162 is but there is a p16-2 where power from the transformer enters the board on a blue wire. Power leaves board at the connector on 2 red wires pin 16-5 and pin 16-7 and reenters on the blue wires pin 16-2 and 16-3


To test the transformer you should get 75Ω-95Ω on the red wires and 2Ω-4Ω on the blue wires.

Edited by DurhamAppliance, 21 March 2014 - 08:58 PM.

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#5 one_redraider

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Posted 22 March 2014 - 09:27 AM

I tested the control power transformer and got 95 ohms on the primary (red) and 3 ohms on the secondary (blue). When powered the secondary was putting out approximately 20 V. To follow up on my earlier post R162 is on the electronic control board and is a resistor with 4 bands (2 red and 2 gold?). Again, this resistor appears to have gotten hot and the board where it is attached is slightly discolored.

#6 DurhamAppliance

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Posted 22 March 2014 - 12:44 PM

I dont have a read out for the resistors. You could try and replace it

based on the color bands... red red gold gold.... the resistor is 2.2Ω with 5% tolerance

(first digit red = 2 , second digit red =2 that's a value of 22. the first gold represents a multiplier of .10 so the value is now 2.2Ω. The second gold represents a Tolerance of 5%)

Edited by DurhamAppliance, 22 March 2014 - 12:48 PM.

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#7 DurhamAppliance

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Posted 22 March 2014 - 05:26 PM

forgot to add that your board is apparently no longer available. If replacing the resistor doesn't work and your suppressor checks out fine, you may have to get the board rebuilt.

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#8 one_redraider

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Posted 22 March 2014 - 09:07 PM

I checked the resistance of the discolored resistor and it was 2.2 ohm. So while the resistor is dicolored, I am now not so certain that it is the problem. In the last post you mentioned something new, the suppressor. What do I need to check for? I don't see the suppressor listed on the tech sheet.

#9 DurhamAppliance

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Posted 23 March 2014 - 12:39 AM

Pduff mentioned it in an earlier reply... it is attached to the main block.. it is an electronic noise suppressor I believe it's called an electronic filter on the schematic. I haven't had the need to replace one before so I have to defer you to Pduff on that matter.

Edited by DurhamAppliance, 23 March 2014 - 12:43 AM.

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#10 Samurai Appliance Repair Man

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Posted 24 March 2014 - 03:11 PM

Noise filter Part number: AP3009547

Part number: AP3009547



#11 one_redraider

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Posted 25 March 2014 - 08:53 PM

What diagnostic tests do I perform to confirm the noise filter is ok?

#12 Samurai Appliance Repair Man

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Posted 25 March 2014 - 09:18 PM

So let's recap:

 

- you have a valid 120vac power supply to the board

- you're getting about 20vac out of the secondary winding on the transformer.  If the rectifier on the board is good, then it's converting that to about 12vdc for its own use.  

- buttons beep when pressed but no display and no oven function, either oven.  

 

Does this correctly sum up where we are?



#13 one_redraider

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Posted 26 March 2014 - 06:35 AM

SARM, yes to all
So let's recap:

(Yes)- you have a valid 120vac power supply to the board

(Yes) except I have not performed any tests on the rectifier board - you're getting about 20vac out of the secondary winding on the transformer. If the rectifier on the board is good, then it's converting that to about 12vdc for its own use.

(Yes) - buttons beep when pressed but no display and no oven function, either oven.

Does this correctly sum up where we are? (Yes)

Let me know if I need to test the 'rectifier' and if so what diagnostics need to be performed.

Thanks.

#14 Samurai Appliance Repair Man

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Posted 26 March 2014 - 07:30 AM

If there's a problem with the rectifier or any other part of the main control board, your best bet is to contact Fixyourboard.com and see if they can repair the board for you. 



#15 PDuff

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Posted 26 March 2014 - 11:38 AM

A damaged suppressor board is easy enough to spot.  If it's not fried, it's good.  Sounds like your control transformer checks out ok too.  Concur with Master Samurai and Brother Durham about reconditioning the microcomputer.



#16 one_redraider

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Posted 04 April 2014 - 09:51 PM

So I purchased and installed new control board. After energizing, I received a failure/error code of F2 / E1 (keypad key tail not connected). Upon inspection of key tail ribbon, I damaged the ribbon by accidentally folding it against the frame during one of the times I was placing the front panel back on the oven. So it now looks like I need a front panel keypad assembly. Any recommendations on where to purchase this part?

#17 DurhamAppliance

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Posted 05 April 2014 - 12:50 PM

you purchased a NEW contol board or a refurbished board? Do you have a warranty on that board?

Edited by DurhamAppliance, 05 April 2014 - 12:51 PM.

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#18 Samurai Appliance Repair Man

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Posted 05 April 2014 - 04:23 PM

you purchased a NEW contol board or a refurbished board? 

 

 

Had to be refurbished because new boards are NLA.  

 

Unless was TOLD it was new when he bought it.   :deal:



#19 DurhamAppliance

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Posted 05 April 2014 - 04:35 PM

That's what I'm wondering

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#20 one_redraider

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Posted 06 April 2014 - 08:59 PM

I am not sure whether is was a new or refurbished board. I purchased from fixyourboard.com and can give them a call tomorrow. Anything in particular you are thinking if it is one or the other?




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