Question about Maytag MEW6627D Electric Double Oven

3 Answers

Both ovens run about 50 degress hotter than the setting.

Set for 350, runs about 400. Checked with a new Kitchen Aid thermometer which I'm sure isn't that accurate but for sure the ovens are running hotter that the setting. How can I calibrate them or can you tell me which component may be causing this. Thanks.

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  • craftldy Dec 22, 2008

    Did this really cost me 10 bucks? I expected a dialog here to help me troubleshoot this problem. This is my wife's email since the site won't work for me anymore. I'm technically savvy. Please get back to me or tell me if I'm misunderstanding something here. Thanks, and my name is Mike.

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3 Answers

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Hi and welcome to FixYa,

Normally, there is a temperature prob on one of the walls of the oven. This probe then sends the temp signals to a controller board that compares the reading to the temp setting as selected by the user. IF a difference is computed, then the controller board either continues powering the heating elements or cuts the supply. This heater probe is different from the thermal switch that switches off automatically when a preset temperature (for protection) is reached.

Based on the above, possible cause of your concern would be:

  • faulty thermal probe (most likely);
  • corroded connectors, wiring and terminals (could be visually inspected, easily repaired);
  • faulty controller board (least likely).
Good luck and Thank you for using FixYa. Happy Holidays.

Posted on Dec 21, 2008

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The problem is with the thermostat which is responsible for the heat control. On-Off Control This is the simplest form of control, used by almost all domestic thermostats. When the oven is cooler than the set-point temperature the heater is turned on at maximum power, M, and once the oven is hotter than the set-point temperature the heater is switched off completely. The turn-on and turn-off temperatures are deliberately made to differ by a small amount, known as the hysteresis H, to prevent noise from switching the heater rapidly and unnecessarily when the temperature is near the set-point.

Thanks

Posted on Dec 21, 2008

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Most likely it would be the temperature sensors. If you have a thermometer you can just adjust your temperature accordingly and use it that way as most likely it will remain consistent. If you need further assistance let me know. Please take a moment to accept and rate my solution.
Thank you,
lee

Posted on Dec 21, 2008

  • Lee A.
    Lee A. Dec 22, 2008

    Like i said it most likely a temp. probe problem which you can check/replace and make sure all the connections are good as well.
    Thank you,
    Lee


  • Lee A.
    Lee A. Dec 22, 2008

    How long have you owned the oven? Once I have more information I can assist you further.
    Thank you,
    Lee


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1 Answer

Oven runs much hotter than set temperature. Usually 50 degrees hotter than what it is set at, but can go over 100 degrees higher.


Sounds like you need a new oven thermostat or get an oven thermometer and by experimentation draw up a new heating range for the oven dial.

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If you are monitoring the oven temperature with an analog style thermometer you may actually be ok, but seeing the thermometers slow reaction time.
Some newer ovens actually do pre-heat beep prior to reaching temp in an effort to conserve eelectricity.
A good home test is to try your oven at several different temps to see if there is any variation in internal temperature. Try it one day on 300, the next at 375 and another day at 450. Give your analog style thermometer time to catch up (usually just about 15 min) and leave it on for a half an hour to see if the temp maintains.
Also Beware of aluminum foil AND THE NEW OVEN LINER MATS as they can alter oven performance bay absorbing and blocking the ovens natural heat radiation and convection air flow currents that happen in all ovens, not just convection models.
Another interesting fact is that older ovens used a thermostat in them that operated much like your thermometer and was very slow to react making the oven typically about 100 degrees hotter than where the customer set it. This was just a fact of life before the advent of electronic temperature management and became noticeable when people began trying to bake older "hand me down" recipes in the newer ovens with less than stellar results.
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1 Answer

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Make sure your thermometer is o/k by checking it against another one, or boil some water, and check the temp of the boiling water, this should determine if your thermometer is o/k.
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1 Answer

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The oven thermostst needs replacing, as it is not sensing the correct temperature, this is the switch behind the control knob
Please rate my solution.
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1 Answer

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