Question about GE JTP30 Electric Single Oven

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I have a GE JTP30-30" Single Wall Oven. While pre-heating or cooking, our oven will suddenly shut off. At that point, we need to press bake, select temperature, and start again. My question is, "What is causing this problem?" Thank you in advance.

Posted by Anonymous on

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Posted on Jan 02, 2017

catriver
  • 878 Answers

SOURCE: F2 Oven overheats

jaz3133, it's probably the temp sensor that has gone bad. You should be able to get it from the front. It's the probe that comes out from the back wall of the oven. You can have someone ohm it out. Should read approx 1100 ohms at room temp. Part number for the temp sensor is WB20K5040. Make sure power is off befor removing the sensor. Catriver..post back.

Posted on Mar 04, 2007

  • 25 Answers

SOURCE: electric starter gas oven model jgrp17 won't heat

more than likely your glow bar ignitor has stopped working or at least pulling enough amps to open the safety valve. The floor of the ovens come out may have a couple screws toward the back. take the floor out if a diffuser is on top of the burner remove it. the glow bar ignitor is mounted on the burner turn the oven on and watch it should glow bright red and in about 30 secs open the gas safety valve. If it does not glow you may want to verify power to the ignitor, more than likely the ignitor is the problem. If it glows but does not open the safety valev still replace the ignitor not pulling the required amps to open the safety valve. just put a little dish soap on the screws to the ignitor to help from srtripping them out

Posted on Feb 23, 2008

aborcass
  • 2651 Answers

SOURCE: GE Profile -Installed wall oven - won't heat

brand new??? under a year old??? if so you have a warr call for service, but it sounds like an ignitor isssue, brand new , perhapsgot damaged in shipping 1-800-ge-cares

Posted on Mar 30, 2008

  • 19 Answers

SOURCE: F2 and F3 error codes in GE electric wall oven

Call GE answer center 1-800-626-2000 ask for tech help, Have you Model # off you data plate ready.

Posted on May 09, 2009

  • 3230 Answers

SOURCE: GE JTP 1580W288 Set oven to Bake, switches to broil at bake temp

The F2 Error code means the oven has detected an excess temperature condition. Most often this is due to a bad temperature sensor - the sensor costs about $75 from an online repair site. 
How to remove and replace the temperature sensor. In most GE ovens, when you open the door, you'll see the rod-shaped temperature sensor sticking out of the back wall at the upper left. It's about six inches long and a bit more than 1/8" in diameter, held in place with two screws. 

Turn off the circuit breaker (built-in ovens) or unplug the range before attempting the replacement. 

The replacement sensor will come with instructions, but basically it's a matter of removing the sensor, pulling out the wires to where they are connected and disconnecting them. You may have to snip. The replacement sensor will come with high-temp wire nuts to hold the new connection. Polarity doesn't matter; it's a straight resistance thermocouple. Hook it up, be sure you poke the connections back far enough so that they're on the other side of the thermal insulation and not resting against the back of the oven. 

If you continue getting the F2 error after replacing the sensor, then the problem is likely in the control module - this is the circuit board behind the keypad and clock. 

You'll need to remove the decorative bezel to get behind the control panel. Remove screws and set off parts in order - it's not complicated. Once the bezel is off there are two more screws that hold the panel in place. Then you can lift the panel up about a half inch and pivot it forward toward you. You'll see a bunch of wires going to a circuit board. 

On the panel you will notice some black plastic boxes that say "Potter & Brumfield" on them. These are relays. Check the relays - slide the black plastic cover straight up to expose the coil and the contacts. The coil, when energized, closes the contacts - look at all the relays. You can manually close the contacts with your finger (be gentle). If the contacts of one of them are stuck, they might be welded together. You can fix the problem by prying apart the welded contacts gently with a knife blade. Take some time to gently polish the relay contacts with a folded bit of fine grain sandpaper - this will get some more life out of them. Be gentle and careful - the relays aren't complicated but if you bend the contact or rip it out, you'll have to replace the controller, which will set you back a couple hundred dollars. If you unstick and burnish the relays, they will probably eventually weld together again as the rough spot will spark, but when you burnish them with sandpaper they should be good for some more life before they need to be replaced. 

If the problem isn't the temp sensor or welded relay contacts then the problem is obviously somewhere else, but temp sensor and relay contacts will account for the lion's share of F2 errors. 

Once again, be safe, be careful, be gentle. Ovens are not very complicated and they're tough, but always exercise care. Always disconnect electricity before messing with them.
good luck,

Posted on Jun 28, 2009

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