I have a viking range about 10 years old. The piezo (sp?) ignitor will light the stovetop gas burner but it keeps on trying to light the burner after it is lit...Used to quit after a minute or so once it started doing this but now it won't quit at all.
The problem is with the front left burner only. I can turn on the left rear burner ( where I can see the spark/arc when it's trying to keep lighting the front burner - apparently the same circuit?) without incident. It works fine.
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First shut off the gas supply & disconnect electrical power to the range.
Remove all the burner control knobs, grates, burner caps & trim rings.
Remove the 2 screws securing the manifold panel, one from each corner. The panel will drop down.
the screws from each manifold pipe mounting bracket. Remove 1/4 inch
hex head bolt from the center of the manifold pipe. Push supply tube
back to release from manifold pipe. Lift the cooktop assembly at the
front to clear the 1/2 inch locator pins attached to the top of the
Place cardboard between each side of cooktop & bodyside to prevent damage.
Move the cooktop to one side, being careful not to put stress on the wiring harness on left side.
Remove the wire from the electrode.
Remove the screw from the electrode mounting bracket to release the electrode.
You can replace the electrode & reassemble following instructions in reverse order.
When increasing the temp. on a gas range the oven's burners do not increase flame size as the cooktop burners do. It just keeps the burner lighted for a longer amount of time.
First if you can see the burners do they light within about a min. or less. If no you probably have bad igniters which are not lighting the burners as quickly as they should or they are "opening up" (stops working) when they get too hot. In this case replacement of the igniters should solve the problem.
Second if it lights quickly but still takes a while to heat; you want to look at the burners to ensure that the flames are down both sides of the burner tube and not dancing around too much. If only part of the two sides of the burner tubes are lighted then a pluged orifice or burner tube is the most likely cause. Once cleaned it should work fine.
As with anything mechanical there are numurous possiblities for something not working correctly and above are the two most popular reasons that come to my mind.
Most likely replacing the ignitor will fix it. I usually replace Viking ignitors with Maytag ones, part number 12400035 (you'll need splice wires and use included wire nuts to connect those, though). Those have a little shorter base, which does not affect anything. Replace both bake ignitors if you can, otherwise, one of the burners will ignite slower and shut off faster, resulting in uneven bake.
I am assuming your referring to the stove top burner ignitor. Well - I can only say on my Viking 48 inch - it was located at top RHS of the stove on the 'back wall'. I was advised by a 'tech' that it would be located at the back of my stove (ie he would have to pull out the built in unit and would cost me 500$). In fact I replaced the unit in 30 minutes ... I removed the two RHS burners (one screw each), disconnected ignitor wires, removed the bracket holding the burners (one screw), followed ignitor wires to silver box covering the ignitor unit (2 screws), opened it & replaced ignitor. Forgot to say - 1st thing I did was turn off power & gas to the range. Of course you need to ensure it is the correct one for your stove. The ignitor you remove should have a manufacturer part number on it. No calibration required on mine - a sealed electronic unit. Probably about 10 wires that need to be R&R'ed - they are on with reuseable fasteners.
I am assuming your referring to the stove top burner ignitor. Well - I can only say on my Viking 48 inch - it was located at top RHS of the stove on the 'back wall'. I was advised by an 'come to my home tech' that it would be located at the back of my stove (ie he would have to pull out the built in unit and cost me 500$). In fact I replaced the unit in 30 minutes ... I removed the two RHS burners (one screw each), disconnected ignitor wires, removed the bracket holding the burners (one screw), followed ignitor wires to silver box covering the ignitor unit (2 screws), opened it & replaced ignitor. Forgot to say - 1st thing I did was turn off power & gas to the range
No pilot light need to be ignited. You may need a new ignitor. It might not be catching. If you pull the bottom oven plate off you can see the ignitor on the side of the burner and see if it is in its place or broken or just plain old. It is a simple fix. You can buy a universal ignitor or contact Viking and they will sell it to you. Its only two wires and can do it yourself if you are somewhat technical. Good luck.
I figured it was the ignitor given the burners work fine and I could smell gas from the oven when I would try to turn it on. So I found a local parts store and bought the replacement ignitor. I cut the wires of the old ignitor close to the ceramic and spliced the new one on with porcelain nuts and voila my oven now works again!
If memory serves me,there are a couple of screws on oven floor.Remove panel.Sounds like ignitor is the culprit.It feeds back to control.It may glow and light but unless it is sending full signal,gas valve will not open fully and oven will take forever to heat.