GE cooktop - hard to light

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Old 01-26-06, 08:41 PM
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GE cooktop - hard to light

I have a 14-year old GE JGP330 30" x 21" gas cooktop that's worked fine until about six months ago. Since then, whenever the control knobs are turned to the 'on' position, the ignitors click/spark correctly but no gas flows. We've found the only way to get the burners to ignite is to turn the control knob 'on' for 5 - 10 seconds, then off, then 'on' again, and so on, until the gas FINALLY starts. Once the gas starts (and we can tell by the "hiss"), the burner comes on and stays on. Any advice for what to troubleshoot? Thanks -

Tom
 
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Old 01-26-06, 09:28 PM
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Hello HighDesertTom. Welcome to my Gas Appliances topic and the Do-It-Yourself Web Site.

Encountered the same condition many times myself. Usually but not always caused by a defective rotary valve. Usually the valve type that clicks when each flame size is selected as the knob is rotated.

That type of valve has a valve core but the core is not directly connected to the valves stem. This type, when wornout slips passed the setting or slips when the valve is tuned on but valve is not really on. Only the knob and stem turned and not the internal valves core. Solution. Replace the valve.

Unless there isn't any other problem related to the gas, assuming the gas is not propane. If only one valve is effected and not all valves, the problem can be assumed isolated to a defective rotary valve.

***>>>Cautionary Note:***<<<
Rotary gas valves are usually installed on a square tube manifold. The gas valves are not screwed into the gas manifold, like they are on round tube manifolds. They are attached with two screws and an "O" Ring on the valve. Care must be taken removing and reinstalling the new valve(s).

Range-Stove-Oven-Broiler Basic Help Information, Fault Codes & Mfg's Web Site Links http://forum.doityourself.com/showthread.php?t=159808

Retail appliance parts dealers can also help determine what the possible problem may be also. They will need the make, model an serial numbers. Appliance parts dealers are an excellent source for original replacement parts. Dealers are listed in the phone book under appliances.

***Be sure the electrical power to the appliance is turned off, before attempting any repairs. Always check for gas leaks whenever the appliance is moved and/or a repair includes any connection of a gas part.

Kindly use the reply button to add any additional information and or questions. Any additional information you add will than remain within this posting. Using this method also moves or keeps your question at the top of the list automatically.

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Old 02-06-06, 05:43 PM
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Thanks Sharp Advice!

I suspected one or more bad valves, but wanted an informed opinion before chasing the valves. FYI, all four valves are a little sluggish, but there's one in particular (the one we use most often) that's the biggest problem. Also, we have "city" gas -- not propane.

I'll let you know how this goes, if you're interested. Thanks again -


Tom
 
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