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GE J BP70S0K1SS Range, turns on, no elements heat


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13 replies to this topic

#1 dukebravo

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Posted 30 January 2012 - 07:46 PM

I've checked the wire cord terminals where they come in the rear and there is 240V there. The clock works, and when you turn on a dial, the element on and hot surface lights illuminate. Where should I go from here? Thank you!

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#2 kdog

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Posted 30 January 2012 - 08:39 PM

So, just the surface burners are effected ? or the oven as well ?
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#3 RegUS_PatOff

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Posted 30 January 2012 - 09:03 PM

also, has this Range worked OK up till now at this location ?
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#4 dukebravo

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Posted 30 January 2012 - 09:23 PM

I haven't checked the oven yet, I just noticed it before leaving today and left dismayed. It is a new install at this location, with a complete new electric system. But before jumping on that, I did examine the breaker box and outlet, and tested for 240 at both as well as the range connections as I said.

Range was purchased used and it looks great and buyer seemed honest, asides from that I know no history on it.

Tomorrow I will open the top and check for voltage at the burners, check them for continuity, and check the oven.

Anything else?

#5 RegUS_PatOff

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Posted 30 January 2012 - 10:08 PM

... I've checked the wire cord terminals where they come in the rear and there is 240V there.

120v from Black to White ?
and
120v from Red to White ?
.

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#6 kdog

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Posted 30 January 2012 - 10:11 PM

And 0 volts white to ground
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#7 dukebravo

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Posted 31 January 2012 - 02:13 PM

Okay, 120v black to ground, 120v red to ground, and 0v white to ground. Burners seem to all test at a resistance of 39 ohms. No voltage at burner terminals when range turned on. Oven does not work either, although relay clicks heard when oven activated. Where to?

#8 RegUS_PatOff

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Posted 31 January 2012 - 02:20 PM

With the Bunners turned OFF
check for 120v from each side of Burner Element to chassis (a good ground)
also, with Oven OFF, 120v at either Bake or Broil Element to chassis (a good ground)
.

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#9 dukebravo

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Posted 31 January 2012 - 09:23 PM

Okay, just to clarify, there are several connection points on the burners, but it seems to boil down to two prongs that finally enter the element. So you're saying to check each of those prongs to ground, and then check one of the oven elements prongs to ground likewise?

I opened the back of the control panel and everything looks and smells as it should, nothing visually out of sorts there.

I'm no pro but this is confusing!

I'll check what you say and report back.

#10 RegUS_PatOff

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Posted 31 January 2012 - 10:19 PM

... So you're saying to check each of those prongs to ground,
... and then check one of the oven elements prongs to ground likewise?

yes, with power to unit, but Controls turned OFF
there should be 120v to chassis (ground)
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#11 dukebravo

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Posted 01 February 2012 - 08:31 AM

Ok, neither of the oven elements show 120 to ground, but a black wire at each of the range coils does.

#12 dukebravo

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Posted 01 February 2012 - 08:47 AM

I think I have it. although there was power where it should be, it was not from both phases of the voltage. Both 120v were from the same leg in the panel. When I checked for 240v across the red and black there was nothing. I'm going to switch out the thin double breaker for a thick one and that should fix it! :-)

#13 RegUS_PatOff

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Posted 01 February 2012 - 09:37 AM

... I've checked the wire cord terminals where they come in the rear and there is 240V there.


... When I checked for 240v across the red and black there was nothing.


:kopkrab:
.

one of my video productions: “Easter Seals: Walk With Me”

every day is Down Syndrome Awareness Day
"A Child Is Waiting" . Burt Lancaster . Judy Garland . 1962

RegUS_PatOff > www.youtube.com/watch?v=oPAY2LsKVEw

#14 dukebravo

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Posted 01 February 2012 - 09:57 AM

Yes, I have been called out! I checked improperly, assuming that if there was 120v on each leg, they would equal 240v. I didn't take into account them being on the same phase, or for that matter, the proper way to check (across red and black). Thank you for your time and patience guys.




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