Question about Thermador PG484GGEBS Stainless Steel Kitchen Range

3 Answers

I have a thermador PG484GGE gas range. The larger oven has the oven blue light and the heating blue light each blinking twice while alternating between the two lights. The power went out last night during a storm. I notice it this mourning. The oven will not operate, so I suspect there is a problem and these are error codes. I want to know what these error codes mean. We cycled the power in hope of resetting the oven with no success. Your help is appreciated. Thanks Ed

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  • 9 more comments 
  • feb123 Mar 20, 2011

    Does the manual have the trouble shooting explantion for the blinking blue lights

  • feb123 Mar 20, 2011

    I want to know what the alternating blue light blinking is between the oven blue light blinks twice and the heating blue light blink twice on the larger oven for the PG484GGE gas range

  • feb123 Mar 20, 2011

    I took the front kick plate off and there are no error codes or schematic on the kick plate. Probably on the back of the unit?

    Ed

  • feb123 Mar 20, 2011

    The left smaller oven will work. The right larger one will not. So maybe the controller board was damaged. Yes the burners all work also.

  • feb123 Mar 20, 2011

    Neither bake or broil will work on the larger oven. Also on the smaller oven the fan turns on when turn on the smaller oven. The larger does not.

  • feb123 Mar 20, 2011

    Do you have the service manual for the PG484GGE series, or is the PRG484G close enough?
    Ed

  • feb123 Mar 20, 2011

    Does anyone have the service manual for the PG484GGE series range.

  • feb123 Mar 20, 2011

    Thanks
    ed

  • feb123 Mar 20, 2011

    The controller board controls the signal to not just burners, but also the oven controls.

    Ed

  • feb123 Mar 20, 2011

    I can purchase a unit from thermador website for replacement parts. They call it a control unit simmer control. Is this the unit. I am electrical and mechanical engineer, so I fill comfortable replacing it.

  • feb123 Mar 20, 2011

    yes

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3 Answers

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  • Master
  • 2,080 Answers

Although you probably already have it, here is the link to the User's Manual for your model:

http://www.thermador.com/public/documents/PRL366EG%20IU.pdf


HOW TO INTERPRET THE FLASHING LIGHT CODES

When a fault occurs, the control will flash the blue oven "on light" and the Blue "heating light" sequentially to indicate the fault.
The fault codes have two numbers, these numbers are interpreted by the number of times the lights flash.
The oven "on light" will flash indicating the first number, and the "heating light" will flash indicating the second number.

Normally the code lists are held only by the service technicians, however here is a website which describes how to interpret the flashing light codes, hopefully it helps you:

http://applianceguru.com/forum1/21678.html

And here is a link to a site listing the common Thermador Error Codes:

http://www.appliancetimers.com/index.php?page=failure_code_page&manufacturer=thermador&type=r

Both lights blinking twice seem to indicate Error code E1, EPROM error. See the following link for a similar diagnosis:

http://applianceguru.com/forum1/24340.html

Apparently this means you will have to replace the Main Relay Control Board. See the following link for additional details:

http://www.justanswer.com/appliance/3cnhu-thermador-pgr364glzs-range-getting-eeprom-error-22-i-think.html

Good luck.

Posted on Mar 20, 2011

  • Joe2
    Joe2 Mar 20, 2011

    I know you said you tried cycling the power before, but if you want to try it again, make sure you shut the power off at the oven's circuit breaker at the main breaker panel and leave it off for at least an hour. Good luck.

  • Joe2
    Joe2 Mar 20, 2011

    Thank you for the 4 Thumbs Up rating, I truly appreciate it. Hope that was helpful enough. ---Joe.

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  • Thermador Master
  • 8,220 Answers
  • Dan Webster
    Dan Webster Mar 20, 2011

    Very complex stove. I have included the manual for this stove.

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  • Master
  • 1,654 Answers

There is an explanation of the error codes on the wiring diagram that comes with the stove. I found the wiring diagram taped to the inside of the kick plate. The kick plate had to be removed to find it. From what I can tell by your desciption is that the power relay board is not communicating with the other components in the oven. This could be the result of the storm if lightning struck nearby or the power was surged several times, these things can damange a board very quickly and easily. I am going to dig some more on this issue and see what els if anything I can find for you. There are a lot of codes that relate to this power relay board.

Posted on Mar 20, 2011

  • 8 more comments 
  • Dcramer531
    Dcramer531 Mar 20, 2011

    did you check and see if the igniter is comming on in oven or does it just not go to bake? these ovens are complicated and are very difficult to work on. if your igniter is not comming on at all or you cant set bake you may have a problem with board, this is something I would call a service tech. to look at . what is going on when you try to set bake ? does broil work ? let me know

  • Dcramer531
    Dcramer531 Mar 20, 2011

    After doing some reasearch of repairs on this, the only thing in common with the lights blinking like they do is the control board issue. In all cases the board was bad. Fraom all I read and understand it has to be the control board that is causing your issue. Alot of these cases the burners still work but the oven will not, is that your case?

  • Dcramer531
    Dcramer531 Mar 20, 2011

    Yes this is the control board that is causing these issues, Power surges kill these things.
    These boards are easy to change, unfortunatly they seem to be out of stock or discontinued. There has to be a replacement and I will look. You may have to take the old board and get it rebuilt if I can't find a replacement.

  • Dcramer531
    Dcramer531 Mar 20, 2011

    http://www.cgiltd.com/
    This is a place that rebuilds these boards because they seem to be discontinued. They specialize in problems like this and claim to have fixed hundreds of the thermadore boards. They even beef them up to make them more reliable.

  • Dcramer531
    Dcramer531 Mar 20, 2011

    There are repair kits available for certain models made by Bosch. I didn't see one for yours though. You might want to check localy because some people order these parts and have them laying around, and from what I know of these ovens the boards are not that reliable.

  • Dcramer531
    Dcramer531 Mar 20, 2011

    I see you requested another to help you, was my advice not helpful I did answer your questions and was working on parts.

  • Dcramer531
    Dcramer531 Mar 20, 2011

    Z21-PG484GGE-88THSW
    $458.11
    is this the same as was quoted to you?
    timer Touchpad control board, or touch pad brain control board, they are listed as one.

  • Dcramer531
    Dcramer531 Mar 20, 2011

    The control board is located near the power cord entrance. There should be a small access door there.
    If you get the old one out we can cross reference the parts.

  • Dcramer531
    Dcramer531 Mar 20, 2011

    Hello, did you get what you needed? Was there anything more I could have done to help? Was someone elses advice more help, I really like to help and if this was not helpful I like to know. Thanks

  • Dcramer531
    Dcramer531 Mar 21, 2011

    I was suprised you declined my advice as not helpful. I know the solution and advice I gave you was correct. Did I miss something, did I get it wrong? I don't know what more I could have done to help but I would like to know so in the future I can be more helpful. Thanks

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