My oven Burner will light and burn then go off coming back on with a low flame. When I push up hard on the outside bottom wire going into the saftey valve, The burner will light up full and stay on until I release.
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Re: Saftey Valve issues
Thats an odd problem but does sound liek an issue with that valve. its not a servicable peice you would need to replace the valve(id get an in ignitor while i was at it (thats thetmost common problem for gas ranges
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This can be caused by a weak/inop hot surface igniter ,defective gas control valve or debris in the burner orfice/venturri. The gas odor is going to be caused by unburned gas due to a by-passing gas control valve or a weak igniter(not lighting the gas coming from burner) First you will need to verify that the hot surface igniter is coming on(you should see it glow in the burner compartment). If it is not glowing then you will need to verify that the wiring harness has voltage to it when the oven thermostat is on. Also check the igniter for any cracks or damage and if found then replace the igniter. If it is glowing then one thing that you can try(be very careful doing this) is to give the gas control valve a light tap with something hard like a wrench when the oven is turned on,igniter is glowing but the burner is not on. You will need to remove the broiler/storage drawer at the bottom of the oven. Once you pull the drawer out you should see the gas control valve at the back of the range. Try turning on the oven and lightly tapping the valve housing after the igniter is fully on. This may loosen up any debris inside the control valve housing that might be causing the by-passing problem. If the oven burner comes on when tapping the valve then try completely turning the oven on and back of several times. And when I say completely I mean turn it on after the igniter is not glowing and burner has shut off. This works about 30% of the time. If the burner control valve sticks again after trying this procedure then it could be the control valve and/or the hot surface igniter defective. The hot surface igniter would need to be disconnected from it's harness and tested with an OHM meter. Most igniters should have a 500 to 700 OHM reading. If you get a reading that is way off then the igniter is defective and replace it. If the igniter tests good then the gas control valve is suspect and replace it. Most appliance parts retailers will test your igniter for free. When the igniter is on it should glow very brightly. If it is dim then that is a sure sign it is bad. Also inspect the burner venturii and burner orfice for any possible debris(grease,lint ect) that could be restricting gas flow. One more thing you can try is to manually light the burner. Make sure the oven and burner compartment are COMPLETELY cleared out of gas. Then make sure there is a flame from a match or lighter right next to the burner where the igniter is located(it is best to use a long fireplace match) before starting oven. Once the flame is lit and next to the burner then turn on the oven thermostat and listen for the flow of gas. Once the flow has started the oven burner should light immediately! If the burner does not light within 2 seconds the remove the flame and shut down the oven. If the burner lights with the match then either the igniter is not hot enough to light the burner or there might be a restriction in the burner head blocking the flow of gas to the hot surface igniter...or a restriction in the venturri or orfice. You will need to be extremely careful performing these procedures! If you are smelling gas then the oven and burner compartment could fill up with enough gas to cause a delayed ignition! You could get burned or seriously injured so I advise you not to try these procedures if you are not experienced with gas appliances. You are taking your own risk trying these procedures and if you feel uncomfortable trying these then I suggest call a professional.
all gas range ovens have a small metal box in the back upper area of the broiler burner; a gas line runs into this box as do two wires; this is a "flame control " gas valve; the way it works is: after the pilot has been lit as you turn the oven temp control a heating element in the box causes a small valve to open allowing a larger amount of gas into the oven burner to ignite the whole burner If you can only get pilot flame on high replace this valve
check that the bake ignitor is drawing min 3 amps. if not change ignitor. if its ok yellow flame is not enough air for the amount of gas. check the orface(small brass fitting on valve) hole to make sure its clean. if yes adjust air shutter on burner
I think ill give it a try for you. The gas lines come in thru you cutoff valve then thru you gas valve and on to the burner. right before the burner you will see a bell shape fitting. The gas line is in the center of the fitting and there will be some opening around this fitting That fitting has dust clogging it up. This is where the gas mixes with the air Turn your oven off and blow this fitting out.
Flame saftey device control valve stuck in open position that why main gas is coming other wise flame should be max 2cm long after flame saftey device heat up and bellow expand and main valve should open
had the same problem, safety gas valve is sticking get a small hammer and tap saftey valve. Just bought a new saftey valve about 3 weeks ago pilot light lite but now flame. I have a blodgett oven made in the 60s. Blodgett is getting away from there swithes that they have been replacing them with a replaceable thermocouple.made by robert shaw. My supplier said that they are not on the market yet. oops! good luck from oswego ny pizza villa.
the valve your talking about with the two wires on it is the safety valve and should not let gas in without the ignightor being on sounds like its leaking i recommend shutting the gas off till the valve is replaced there is no piolet light on theese ranges
greg, sounds like your needle valve is not seated. Remove the bottom drawer. Look back to the base of the burner where the shutter air adjustment is. Right under there is the valve which should have a 1/2 inch or 7/16 nut. (I Forgot what size). Turn this nut clockwise until the flame is adjusted to the correct size, should be a nice blue flame. The nut maybe hard to turn because you are seating the needle. Catriver..post back