Im having an awful lot of ovens failing due to the plastic potentiometer shaft breaking and rendering the oven useless. Does anyone know if the potentiometer can be replaced and if so where can i get one ?? In the UK we are currently paying a fortune to get the entire board replaced (original part number 30658).
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Re: CTB temperature adjustment knob shaft
The blodgett part number you are looking for is 18234 Potentiometer remote (infinite control) I dont know if you are able to buy directly from blodgett here is the number for blodgett 1-800-331-5842 the blodgett web address is blodgett.com if you are not able to order from blodgett you might try another company generalparts the number for general parts is 1-816-421-5400 kansas city location. the web address for general parts is generalparts.com
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The first thing to look for is the temperature probe inside the oven. If it is bent and touching the side of the oven, the oven wall will cool the probe, and the oven will always be to hot.
Then next answers depend on the vintage of the oven.
If the oven always runs 20? hot (for example) it is possible to adjust the set point on older ovens by removing the oven temperature setting knob and by using a long thin screw driver through the centre of the shaft to adjust the oven temperature to match the oven setting. You will need to buy or borrow an oven thermometer.
to change just the knobs they usually just pull off by pulling straight out on the old ones i recomend getting factory replacement vs universal replacement due to the adjustment on the dials may not be acurate
In order for the element to stay on, the oven switch must be broken. No details are provided, but if your oven is like most, you have an Oven Selector knob for ~bake, broil, clean and another knob for Temperature selection.
Look at your Oven Selector knob closely to make sure it is not slipping on the shaft. It may be as simple as the knob being broken, and even though you are turning it to the Off position, the switch may still be on. If the knob is indeed turning the switch shaft, then it is most likely the switch stuck in the own position. Thanks for using FixYa.
Oven will not hold correct temperature:------- This can be caused if temperature probe not working.Resistance across temperature probe leads at room temperature (70°F) should be approximately 1096 ohms.----------- Other possibility for this problem is :--- Temperature control not calling for heat.When heat is required, there should be continuity between terminals 6 and 7 on temperature control.-----------Inadequate or improper ventilation.Check ventilation hood. Verify draw and make up air adjustment.-----------If all this checked out ok then its calibration problem.For calibration follow this procedure:--
It can be problem with temperature controller.
TEMPERATURE CONTROLLER (Standard-Control Models Only)
The calibration of the temperature controller should not be changed until sufficient experience with cooking results has definitely proved that the temperature controller is not maintaining proper oven temperatures. Before any recalibration is attempted, the oven temperature should be checked by the following procedure:
1. Remove all trays and pans from the oven.
2. Place a thermocouple or a reliable mercury oven-type thermometer at the center of the middle rack.
3. Turn the oven ON and set the temperature control knob to 400°F.
4. The amber "heat on" light will go out when the oven temperature is reached.
5. Allow three cycles for the temperature to stabilize.
6. Read the thermocouple or thermometer immediately after the light goes out for the third time, and again immediately after it comes on the next time.
7. If the average of these readings varies by more than 10°F from the dial setting, recalibrate by the following procedure. Recalibration should be attempted only by a competent service technician.
Use the following procedure to recalibrate the oven:
1. Loosen the two set screws that secure the temperature-control knob to the temperature-control shaft.
2. Remove the knob from the shaft, being careful not to rotate the knob or shaft.
3. Replace the knob on the shaft so that the indicator mark on the knob points directly at the temperature that was measured at the center of the oven.
4. Re-check the oven calibration.
Part number for temperature probe is 1181996 and you can order if from the Southbend service center.--------If you want the manual and wiring diagram for your oven.Please click the link directly:--http://www.retrevo.com/search/v2/jsp/mytrevo/myTrevo.jsp?page=man
after you click the link,a page will open in that you fill the 5 letter number.And click the "download now " option.It will ask you to save or discard.Click the save option and download will start.It will take 2 mins to download.Then click the download file to open it.And go through the manual.------------This will help.Thanks.Helpmech.
Hello there 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.
under the oven knob is the screw that adjusts the temp. remove the knob and with a small blade screwdriver adjust the temp according to your wife's oven thermometer CW+hotter CCW=cooler
then on the back of the knob is a screw to adjust the position of the knob with respect to the marker
It's on page 32 of the manual for Thermador's built in convection ovens.
1. turn off the oven
2.touch and hold the start pad and then touch the bake pad
3. 0 (zero) appears in the temp digits. release all pads
4. touch bake and 0 changes in increments. max adjustment is 35 degrees F.
5. to complete change touch start
for lower oven on double ovens do this:
touch the roast pad instead of the bake pad
continue with steps 3-5.