Question about Whirlpool Ovens

5 Answers

My oven is not getting up to temperature. I checked with an analog thermometer. I pulled out my thermostat and it reads 1045 ohms at room temperature. My oven is a Whirlpool convection oven Model number GR450LXLQ0. I also tried before I took out the thermostat to do an adjustment with the calibration aspect; but, it still did not get within proper range. It still seems to be about 20 to 30 degrees off.

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  • nanvelparker Aug 27, 2010

    There is not a power problem or I would not have been able to calibrate. All other parts of the oven/stove are working, it is just not achieving correct temperature.

  • nanvelparker Aug 27, 2010

    It is not a power problem or I would not have been able to calibrate the oven. I would have said it was a no power problem rather than a temperature range problem.

  • nanvelparker Aug 27, 2010

    I gave the model number which should tell you that this is digital model. I have have removed the thermostat and stated the range that is reads at room temperature. I have checked the lower element which has continuity and look very good, also checked the connections to the element (no corrosion and they also look good. Is there another themostat with this model. The one I took out and checked was long metal piece with two wires, as I said it read 1045 ohms at room temperature. Is there another adjustable thermometer?

  • nanvelparker Aug 27, 2010

    I have run the unit. The lower heating element gets bright red in warmup. Which looks good; but, what I did notice is that the upper element in preheat does not get read; although in broil mode it gets bright red and seems to work well. The continutity of the lower element is good; so, I honestly believe that that is not my problem. The element contacts in the rear of the oven are quite clean and seem to be in good working order. Any other suggestions?

  • nanvelparker Aug 27, 2010

    If you look at my model number this oven is also a convection oven. I rarely use the convection aspect, haven't bothered to learn how. The oven reaches the correct temp in the convection mode. Does that help in any way?

  • nanvelparker Aug 27, 2010

    I am curious if you have any other options, based on above information.

  • nanvelparker Aug 28, 2010

    The last information I got has to do with a bath which makes no sense for my Whirlpoos convection oven low temperature problem.

  • nanvelparker Aug 28, 2010

    This has nothing to do with my Whirlpool convection low temperature problem.

  • nanvelparker Aug 28, 2010

    As stated earlier the sensor read at 1045 ohms, which according to other sources can be interpreted as good. Neither wires are shorted to frame and the quick connect is very clean and seems to be tight. Please explain the terminology of "control". Are you speaking of the Digital control panel at the top of the stove. According to the parts manual it is termed as a "timer" part number 9782677CW for Whirlpool model GR450LXLQ0. Is this what you mean by control?

  • nanvelparker Aug 31, 2010

    Yes, that is exactly what the termostat looks like. The previous technician mentioned the control; do you have any idea to what he was referring?

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5 Answers

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  • Whirlpool Master
  • 3,247 Answers

Please confirm if the thermostat looks like this.

The resistance of 1000 ohms at room temperature is pretty much on the spot.

You can callibrate the thermostat to the correct range as per page 10 of the user manual.

Hope you find this helpful.

Posted on Aug 29, 2010

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  • Whirlpool Master
  • 8,220 Answers

The sensor should read around 1100 ohms if good and neither wire can be shorted to frame. If that sensor checks good you need a new control. Tech sheet 1
Tech sheet 2
There was 2 revs I posted both. Is the quick connect to sensor dirty? Sometimes bypassing the quick connect works. That connections gets corroded sometimes.

Posted on Aug 28, 2010

  • Dan Webster
    Dan Webster Aug 31, 2010

    If the sensor is good then the control is bad.

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  • Master
  • 1,416 Answers

Hello,

you will have to filling the fluid

After filling the reservoir with fluid, set the temperature:

1. Set the Safety Thermostat (OTP) knob on the rear panel to full clockwise position, then press the
Power switch ON. The pump starts to operate. The LED display indicates the power up self-test
(8888). You are now ready to set the front panel controls to the desired temperature setting.
2. Press the SET/ENTER button. The degree light flashes indicating the temperature can be changed.
3. Turn the INCREASE/DECREASE knob to the desired setting. This setting is accepted after
pressing the SET/ENTER button or automatically accepted after a few seconds. The degree light
stops flashing and the display indicates the actual bath temperature.
The set temperature may be checked at any time by pressing the SET/ENTER button. Allow sufficient
time for the bath to stabilize at the desired temperature.
If you are unable to raise the set temperature, it is possible that the High Limit is set lower than the set
temperature you have selected. If this happens, set the High Limit to be 1°C or more higher than your
desired temperature.

But if the temperature remain same then you will have to increase it with the below instruction

Setting the High Limit
This feature provides additional set point security by allowing a selectable upper limit set point. If the
fluid reaches the high limit, the unit will shut down and display "HI-L" until the fluid temperature is
reduced or the "HI-L" value is raised. The "HI-L" should be at least 1°C higher than the selected control
temperature to avoid unwanted shut down during regular operation.

TO SET THE HIGH LIMIT TEMPERATURE:

1. Press and hold the SET/ENTER button until the display reads "UNIT".
2. Turn the INCREASE/DECREASE knob until the display reads "HI-L".
3. Press the SET/ENTER button and enter the desired value using the INCREASE/DECREASE knob.
4. Press SET/ENTER or the setting will be accepted after a few seconds.

thank you and thanks for using fixya.

Posted on Aug 27, 2010

  • Oloyede Monsuru Aug 28, 2010

    hello,

    there is no any other thermostat aside the once you have fine around it.

    thank you.

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  • Master
  • 2,272 Answers

The unit not reaching its set temperature this problem is related to weak elements.The weak element gets partially faulty.It works but not properly.Checking the voltage of element and the connections of element will confirm the fault. It sounds like the oven element is not working.
To check it, remove rear panel in oven compartment, after running it for a few minutes, it should be very hot to the touch, BE CAREFUL, DO NOT BURN YOUR FINGERS.
If you are having problems with your electric oven heating up too slowly, not being able to maintain temperature set point, or wild variations in temperature, then you probably have a bad baking element in your oven.If you can see the elements, watch them and see if they both get red hot when initially warming the oven. If only the top, broil element gets hot then you have a burned out element or a bad contactswhere the element plugs into. Usually lifting the element and pulling out on it will release the element. If the contacts are discolored or pitted then they could be causing your problems. By using an ohm meter you can check the resistance of the element. If you get no continuity through the element it is no good.Bad elements will often have blisters, bubbles, or even burn in two.
If the element contacts are bad, make sure the you replace both the element and the receptacle that the element plugs into. Replacing only the element will only temporarily solve your problem.
To get the instructions for how to disassemble your oven unit.Please click on the link below:-- http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5138718&diagram_id=940187#d940187 ----------- You can get required parts from www.repairclinic.com
Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Posted on Aug 27, 2010

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  • Master
  • 1,478 Answers

Hello,

Check to see if power is getting to the range/oven. Does anything turn on, even a light? If not, check for a blown fuse or tripped circuit breaker. Often the main wiring connection from the house, at the range/oven, gets burned and so breaks the connection. Then you may have to replace the power cord to the range/oven, and the terminal block that the wire is attached to.

Also,
there may be a broken or burned wire at the back of the range/oven. If you repair any of the wires, use only proper appliance-grade wire and wire connectors.

Take care.

Posted on Aug 27, 2010

  • Jimoh Adeleke Muyideen Aug 27, 2010

    Hello,




    When
    the temperature is consistent but too high or too low, it could be one
    of several different things. First check to see if the thermostat
    sensing bulb has come loose from its holder. It could be lying on the
    floor of the oven or resting on the heating element. This would cause
    the oven to not heat correctly.


















    If the thermostat bulb is not dislodged, it's likely that the thermostat or sensor is either mis-calibrated or defective.

















    Electronic
    ovens with a digital display use a sensor to monitor oven temperature.
    To solve temperature problems for these models, you may need to replace
    the sensor. On some digital-display models, you can calibrate the
    temperature using the key pad. See your operator's manual for details.


















    Ovens
    without a digital display often use a mechanical system for controlling
    temperature. On many of these units, you can remove the thermostat knob
    and adjust the knob itself to more accurately represent the actual
    setting of the thermostat.


















    If,
    when you remove the knob, there's a screw on the back of it with a
    small calibration plate, you can loosen the screw, adjust the plate,
    then tighten the screw again. If the knob isn't adjustable, and the oven
    temperature is off by more than 30 to 40 degrees, you need to replace
    the thermostat to solve the problem.






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