Magic Chef Oven Temperature Problem

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Magic Chef Oven Temperature Problem

Chuck K -- Tuesday, 2 April 2002, at 12:07 a.m.

I am one of those unlucky people that is having a problem with the oven temperature on my Magic Chef Electric range - Model #6898VRV. With the temp control set to 550 it will only reach 250 (measured). My question is how can I determine if the temperature sensor is good or bad? What should the sensor resistance measure and at what rate does the resistance change as the oven temperature increases? I hate to waste the money on a sensor only to find out that it is something else. Is there a TEST??

Re: Magic Chef Oven Temperature Problem

Dan O. -- Tuesday, 2 April 2002, at 3:02 p.m.

: My question is how can I determine if the temperature
: sensor is good or bad? What should the
: sensor resistance measure and at what rate
: does the resistance change as the oven
: temperature increases? I hate to waste the
: money on a sensor only to find out that it
: is something else. Is there a TEST??

The most common oven sensor should be approx. 1100 ohms when at room temperature. The others may be close to as follows:

100F - 1143 ohms
200F - 1350 ohms
300F - 1553 ohms
350F - 1654 ohms
400F - 1753 ohms
500F - 1949 ohms

Are you sure the oven burner is lighting and that the heat you get is not just generated from the oven ignitor glowing? IMO I think it would be fairly unusual for a defective sensor to produce that symptom.

Dan O.

Re: Magic Chef Oven Temperature Problem

Chuck K -- Tuesday, 16 April 2002, at 11:26 p.m.

: The most common oven sensor should be approx.
: 1100 ohms when at room temperature. I do not
: know what resistance it would have at other
: temperatures.

: Are you sure the oven burner is lighting and
: that the heat you get is not just generated
: from the oven ignitor glowing? IMO I think
: it would be fairly unusual for a defective
: sensor to produce that symptom.

: Dan O.

FOLLOW UP: Electric Range Oven temperature

I changed the oven temperature sensor and I still have the problem. Everything seems to be connected but the oven does NOT reach temperature. It is consistly 350 plus degrees low. The only thing left is the relay bd and the clock control. Does anyone know how to check out the clock control. How about a schematic of the clock control?

Chuck K

Re: Magic Chef Oven Temperature Problem

Dan O. -- Wednesday, 17 April 2002, at 1:36 p.m.

: I changed the oven temperature sensor and I
: still have the problem. Everything seems to be
: connected but the oven does NOT reach temperature.
: It is consistently 350 plus degrees low.

I've never heard of an oven sensor causing that much of a difference. Most electronic controls will display a fault code if the oven sensor should go that much out of whack.

You're absolutely certain the oven burner is actually lighting and it is just not the heat from the ignitor glowing you are feeling?

: How about a schematic of the clock control?

Most manufacturers only supply information to trace a problem to a particular electronic component not to test the actual functioning of the component itself (at least not range controls). You can try contacting Magic Chef (now owned by Maytag) to see if they can provide that information but I doubt they be willing or able to supply a schematic for the electronic control itself.

Dan O.
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