Vulcan 8 Burner Range, Pilot goes out when oven reaches temp
Basically the pilot lights completely fine, and i turn oven to 500 degrees and everything works fine but when it reaches temp, and the burner shuts off, the pilot also goes out.??? please help........ model number 481LC
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Pilot lights go out because the Thermocoupler is either bad or not getting hot enough. It will be a copper tube that should touch the pilot light flame. these are replaceable and usually any appliance repair supplier can get you one. Some units reuire changing out the entire gas control
Sounds like the pilot is mounted to far away from the burner. I have seen it happen before where the pilot has detached and the main burner will just keep pumping gas in until it hits the pilot flame and just flash flames and everything goes out.
Or it just could be a bad thermocouple that is going out all the time.
Hello Lynne, To relight the pilots,start by removing the floor of the oven,then remove the small access panel below the doors. On the main oven burner will be a small pilot burner that probably looks something like this on the gas valve behind that small panel under the doors will be a red button,push that red button and hold it in while lighting that pilot burner...continue tohold that red button for 30 seconds,release it and the pilot should be lit. Good luck,GENE
Hi- This should have a gas Safety Valve, this is the main valve to the oven (this probably has 2). If you remove the lower panel under the doors they are probably right there. Looks like a large gas valve with a button on it, sometimes the button is red. You need to hold in that button while lighting the pilot and keep holding it in for a few seconds until the thermocouple gets hot enough to tell the valve to keep the pilot on. You'll have to do this for both ovens if there are 2 valves. It's possible the valves are located somewhere else on the range so you may have to hunt a bit. If the pilots still won't stay lit you may need new thermocouples in which case I'd call a Tech out to look at it. Hope this helps. Good Luck.
Over time, thermocouples erode in pilot flames and when they no longer reach the pilot light they need to be replaced. Check the thermocouple mountings as well: some ham-fisted amateurs try to bend the probe back into the pilot light and break the mountings. The pilot light jet will also need to be checked to ensure that it is clean and that the pilot is burning correctly.
Note that as with all gas appliances, repairs should only be carried out by qualified gas fitters who have the tools and knowledge to leave your appliance in a safe condition. In many countries it's a legal requirement. My reply is therefore given on an informational basis only as poor workmanship on gas appliances is directly attributable to many
deaths every year.
You probably have grease that has gotten into the pilot. Turn off the gas to the pilot and detach the pilot tubing and pilot tip. It sometimes helps to take a propane torch and heat up the pilot tip and tubing, paying special attention to the first bend from the pilot tip. Get it red hot and tap out any ash from the inside. You may have to **** out the tubing with a piece of bare wire or blow it out with WD-40. With the oven pilot, check the pilot flame. If low, adjust. If OK, replace the thermocouple. If neither of these corrects the problem, replace the pilot satety. I always recommend a new thermocouple with a new pilot safety.
I have the same problem with one of my burners (I have a morice range). I changed the thermocouple, but it didn´t help. I contacted Morice in France and was told that the problem most sertainly was the coil inside the gasvalve. I don´t know if it possible to dismantle the ovengasvalve to check the coil. As for a burner valve, one should open the valve at the end were the gas goes out to the burner to locate this coil. Best of luck
The thermostat is doing it's job if the pilot gets bigger. When you turn on the thermo, it does 2 things: Makes the pilot bigger and supplies gas to the oven safety valve in the oven. The bigger pilot heats up the bulb from the valve and the stuff inside expands and turns on the main gas. The oven cycles when temo is reached by making the pilot smaller. The most common problem is that the pilot doesn't get big enough to satisfy the valve. Take out the pilot burner ***'y. (7/16" wrench for the nut). Replace the pilot burner. The part is probably a 5414S030 if the valve bulb is located parallel to the ***'y.
i service these ovens alot and my first guess the t-couple you already replaced.i wouldnt think its the valve.lp burns very dirty as you know,clean out the burner/pilot assmbely and see if this solves it.also take a look at it when its lit and see if the pilot is being pulled to the burner.let me know.also if the unit has a regulator on the back pull the vent plug and clean it up.