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Question for OT Appliance guru's

Posted on 12/14/14 at 12:12 pm
Posted by Ponchy Tiger
Ponchatoula
Member since Aug 2004
45156 posts
Posted on 12/14/14 at 12:12 pm
My friend is dealing with a issue with his GE wall oven. Oven is set on 400 degrees for 25 minutes and the oven is just now at 355 degrees. Any ideas what is wrong? Element?
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31095 posts
Posted on 12/14/14 at 12:15 pm to
Element would be my guess. It is obviously getting power.
Posted by Spankum
Miss-sippi
Member since Jan 2007
56052 posts
Posted on 12/14/14 at 12:16 pm to
did it heat up slowly or is it just not getting to the set temperature?...
Posted by Ponchy Tiger
Ponchatoula
Member since Aug 2004
45156 posts
Posted on 12/14/14 at 12:24 pm to
quote:

did it heat up slowly or is it just not getting to the set temperature?...


Its set to 400 degrees but stalled out at 355. Obviously it could likely be recalibrated. Will this just get worse? Other than the element, any other possibilities that would cause this?
Posted by Clames
Member since Oct 2010
16595 posts
Posted on 12/14/14 at 12:26 pm to
quote:

My friend is dealing with a issue with his GE wall oven.


Pretty much junk. Anyways, the elements don't fail in such a way to make pre-heating slow. They fail outright with an internal break or short out which will lead to a spark show in your oven. Probably the thermostat and switch that controls the ambient temp is the issue. Can you hear if the switch cycles or less frequently (audible clicking) than it used to? Only other issue I can think of is that one of the 120V legs in the circuit is out but I've only seen that in a few instances in older homes with outdated fuse panels.
Posted by RATeamWannabe
Baton Rouge
Member since Sep 2009
25948 posts
Posted on 12/14/14 at 12:43 pm to
Geaux Navy!
Posted by QuietTiger
New Orleans
Member since Dec 2003
26256 posts
Posted on 12/14/14 at 1:01 pm to
quote:

Only other issue I can think of is that one of the 120V legs in the circuit is out but I've only seen that in a few instances in older homes with outdated fuse panels.


Yep, if your friend has a breaker panel cycle the oven breaker to off then back on, can't hurt. By the way, turn the oven off first.
Posted by br05os
GL
Member since Sep 2007
225 posts
Posted on 12/14/14 at 1:24 pm to
Possibly the thermostat
Posted by skinny domino
sebr
Member since Feb 2007
14341 posts
Posted on 12/14/14 at 2:02 pm to
quote:

Question for OT Appliance guru's

Napoleon is the OT appliance expert.
Posted by htownjeep
Republic of Texas
Member since Jun 2005
7612 posts
Posted on 12/14/14 at 2:45 pm to
This happened to me last year. One of my 120v legs wasn't connected well at the breaker box. I had just had an addititional breaker installed and something must have messed up the oven breaker.
Posted by Napoleon
Kenna
Member since Dec 2007
69110 posts
Posted on 12/14/14 at 9:31 pm to
quote:

My friend is dealing with a issue with his GE wall oven. Oven is set on 400 degrees for 25 minutes and the oven is just now at 355 degrees. Any ideas what is wrong? Element?


It's electric? Seems like element is coming on.. The element is either good or bad. It gets power and it's gets hot, power is cut off then it cools down.

If it were any other oven I would say it's the thermal sensor (that long thin pin looking thing protruding from the back wall) But being that it's a GE.. It's likely going to be a fault with a relay on the main control board. GE makes crappy control boards. Or i should say Chengdu makes horrible boards for GE. I would start with sensor first (remove the two 1/4 hex head screws holding senor on and gently pull to you then unplug harness, DO NOT LET HARNESS FALL INTO HOLE or you will have to take back panel off.) You want to test the sensor on Ox100 scale on your multimeter. You should not get 00000 or infinite. You should get a resistance reading. Then you want to make sure the resistance rises as you apply heat to the probe (squeeze it in your hand) and that the resistance drops as you let it cool.

If the sensor passes that test, AND the element does work, and has no signs of fatigue. Then I would look to the control board.


Though one main thing to look out for.... In pre-heat on many ovens both the top and the bottom element come on. If the top element is the only one coming on then you would replace the bake )bottom) element then.

But if it gets to 355 I would look first at the sensor, then the control board.
Posted by Napoleon
Kenna
Member since Dec 2007
69110 posts
Posted on 12/14/14 at 9:32 pm to
quote:

This happened to me last year. One of my 120v legs wasn't connected well at the breaker box. I had just had an addititional breaker installed and something must have messed up the oven breaker.



Shouldn't get any heat at all with only one leg, unless you ground out the other leg.

Posted by LuckyTiger
Someone's Alter
Member since Dec 2008
45294 posts
Posted on 12/14/14 at 9:32 pm to
quote:

GE

That is your problem.
Posted by soccerfüt
Location: A Series of Tubes
Member since May 2013
65747 posts
Posted on 12/14/14 at 9:33 pm to
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