Question about Microwave Ovens

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I have a Thermador Professional Dual Fuel Range PD486GEBS/04 When I came in from dropping kids off from school the blue heating light was blinking 3 times in a row. I turned some of the knobs and now I'm getting a different code. Oven light 1x, heating light 2x. The codes are not continuous at this point. I can only get them to appear if I attempt to turn on and then choose a temperature. Neither the small or large oven appears to be working.

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  • jkim365 Feb 08, 2010

    I would like a second opinion. I'm going to have to hire someone and this is going to be very expensive

  • jkim365 Feb 08, 2010

    Thank you. The first response also mentioned needing to replace the board.

  • jkim365 Feb 09, 2010

    Thank you. Do you think i have to worry about electric shock (the warning at the beginning of the manual mentions this)?

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  • Master
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Oven sensor seems to be bad. this is approx. 65.00 plus shipping from most online parts stores.

Posted on Feb 10, 2010

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Sensor shorted. Locate the oven sensor and replace it. Page 41 of this old manual explains how the codes work, from the looks of it this is a fairly easy fix.

Posted on Feb 09, 2010

  • Dan Webster
    Dan Webster Feb 09, 2010

    Get a meter and yank out the sensor, Check it for continuity and if the sensor is shorted to chassis. I have some old training films which show how to check a sensor HERE. An older Thermador range manual HERE

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  • Master
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Hi, Can't see the other reply but sadly this usually means that the oven control board may need replacing. However, find a local appliance shop that can come out and run some tests before buying a new board. It could be something more simple that will save you some money.

Posted on Feb 08, 2010

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The problem is a bad control board. Thermador part number you need is 499845. Unfortunately, the boards are located on the back of the unit, so the range will have to be slid out to replace it. the hardest part about doing the repair is going to be getting to the board. It's mounted on the back wall behind the two lower panels. This means you'll have to slide the unit out to do the repair, and this unit weighs well over 600lbs. Some servicers use sliders which can be slid under the feet, where others have air-sleds that make the job many times easier.
Once you get to the board it's just a matter of swapping the wires.
You can get required parts from www.repairclinic.com
This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

Posted on Feb 08, 2010

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