Question about Jenn-Air JGS8850AD Gas Kitchen Range

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What supplies the voltage to the gas valve in the oven compatment?

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The voltage is supplied by the thermocoupler. The pilot flame heats the bi-metal tubing and produces a few millivolts to open the gas valve. DW

Posted on May 17, 2014

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Hi, I have a zanussi gas oven, the fuse has blown a number of times. it then cuts off ignition and there is no gas in the bottom oven. not sure if any one can help because im left clueless...


The oven safety valve
(also called the gas valve) is the part that ensures that gas is not released until the igniter has reached the correct temperature needed to ignite the gas. While this part can fail, it is uncommon. If the hot surface igniter does not glow you should first verify that you have voltage to the circuit. This is a live voltage check and should be performed by a qualified person. If voltage is lost at the valve terminals then you should verify the continuity of the bi-metal in the valve using a multi-meter.

Apr 27, 2015 | Zanussi Ovens

1 Answer

Oven won't turn on after grill repair by service tech


may have accidentally turned the oven safety gas valve off by mistake

The oven safety valve
(also called the gas valve) is the part that ensures that gas is not released until the igniter has reached the correct temperature needed to ignite the gas. While this part can fail, it is uncommon. If the hot surface igniter does not glow you should first verify that you have voltage to the circuit. This is a live voltage check and should be performed by a qualified person. If voltage is lost at the valve terminals then you should verify the continuity of the bi-metal in the valve using a multi-meter.

Apr 26, 2015 | Ovens

1 Answer

Oven wont heat.


Checklist.
Glowbar: has continuity and is pulling 3,5 amps or better
Gas oven valve: has continuity between terminals
Oven control has continuity and is supplying voltage to the ignitor and valve.

Mar 04, 2011 | Whirlpool GW395 Gas Kitchen Range

3 Answers

I have a Kenmore Gas Wall Oven Model Number 911.30469894. When BAKE is selected, temperature shows 100 degrees and the oven never starts up or gets hot. BROIL works fine. Thank you, John


The oven control supplies voltage to the oven igniter/gas valve circuit. When the oven control is set to Bake, voltage is supplied to the oven igniter which should glow bright red to almost white hot. Once the igniter comes on and begins to glow it must pull enough current to cause the gas valve to open so the burner can ignite from the igniter. I added an image below with the theory of operation. Click this link:--http://media.fotki.com/1_p,swbbsqrsgstsqkkxgtqsskgwtqkq,vi/wrgtsbrktxwdfwfbgdg/1/1303472/5961857/image5576034710104836299img-or.png

----Open the broiler drawer and then set the oven control to bake and watch to see if the glow bar igniter glows or not. If it does not glow, the failure could be a broken Igniter, failed oven control board or gas valve. If the igniter is glowing red, then it can be possible that gas valve is faulty. To see how igniter looks. See the fig below:--

helpmech_69.jpg

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To order this part click the link below:--

http://www.repairclinic.com/PartDetail/Hot-Surface-Glow-Bar-Igniter/1990?modelNumber=911.30469894

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Also to confirm, check to see if the igniter is getting 120 volts when it's turned on. If it gets 120 volts, then your safety gas valve is bad because it's not letting the neutral go through. Otherwise, if it's NOT getting 120 volts, your control board shorted out and you need a new control board.
But as you mentioned that control board is replaced. So igniter should get 120 volts. If valve is faulty. But if igniter is not glowing then its faulty igniter confirmed.

To see how gas valve looks, please click the link below:---

http://www.repairclinic.com/PartDetail/Gas-Safety-Valve-Assembly/251898

In most of the cases the igniter is faulty, because gas valve getting faulty is very rare. But still getting the voltages checked, will confirm. These will help. Thanks. Helpmech.

Feb 04, 2011 | Kenmore 30464 / 30465 / 30469 Gas Single...

2 Answers

My stove lights very slow with a low flame. Should the igniter stay on after it lights oven


Yes the ignitor stays on even after the burner is lit. The ignitor is wired in series with the oven valve. It sounds like the oven valve isn't opening all the way. A new ignitor should solve this problem. The old igniter builds up resistance and doesn't let the correct voltage through to the oven valve for it to open properly.
Tom

Aug 16, 2010 | Magic Chef CGR3725 Gas Kitchen Range

1 Answer

I have a Middleby Marshall Pizza Oven.igniter works but seems like no gas coming through ,tried poking a pin in the gas nozzles as we had that problem before where some **** blocked one of the holes but...


Need a qualified person to check gas control valve to determine proper voltage to the valve is supplied. If voltage is present, either the gas line is blocked to the pilot, or the valve has failed and needs to be replaced. Typically, the latter is probably the problem. If NO voltage is present when the unit "calls" for ignition, check for loose conections at the ignition control, and the gas control.

Jul 21, 2010 | Ovens

1 Answer

Vulcan convection oven model SG4d-1 will not ignite burners


Gas does not ignite. No spark. No Ignition light is not ON.
1. Shorted electrode on igniter/flame sense.
2. Igniter cable (high voltage) OPEN.
3. Heat relay malfunction.
4. Centrifugal switch in blower motor inoperative.
5. Transformer inoperative.
6. High limit thermostat open.
7. Interconnecting wiring malfunction.
8. Ignition module malfunction.

Sparks but gas does not ignite.

1. Gas solenoid valve off or inoperative.
2. Manual gas valve closed.
3. Gas supply OFF or insufficient gas pressure.
4. Inerconnecting wiring malfunction.
5. Igniton module malfunction.

Feb 23, 2010 | Vulcan Convection Oven - VC44EC-208-1

3 Answers

Top oven bake igniter comes on, but gas does not.


Check the voltage on the 2 wires going to the oven gas valve. If you get 120v when the ignitor is on with no gas coming out, you have a bad gas valve. If you get voltage, but it is not much, it is the ignitor. The ignitors don't burn out completely on the ovens, they just get a little dim and no longer ignite the gas and eventually will not turn on the gas valve

Dec 19, 2007 | Amana AOGD2750 Gas Double Oven

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