Question about Viking 31 in. VGSU101 Gas Cooktop

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Viking cooktop disassembly

I can't get inside this thing to work on it! Is it welded together? Needs either new ignitor switches or module or ignitors, but I can't even get it apart to troubleshoot it. I'm pretty mechanically inclined, do most of my own work, but this is throwing me. Did I miss something easy?


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  • slednerd Nov 12, 2007

    Ok, unscrew the brass rings in the middle of the burners. They have two small opposed notches to put some kind of something in to turn them counterclockwise. I used a couple of putty knives and a gasket scraper like spanner/screwdrivers. This gets me apart. BTW, make sure you remove the cooktop before you disassemble...if you release the top with it in the countertop, it will fall through (no, I didn't do this, but almost).

    Now, my switches all check out, and I know the spark module why does it try to ignite continuously? Is it one of the piezio elements? This is a different topic, so I'll post it separate.

    Thanks for the fix,

  • JonF Dec 06, 2007

    My cooktop did the same thing, with some add'l info:

    The smallest burner stopped igniting, while all the others continued to work. That went on for months.  Then the sparker stopped working and the sharp sound heard with each spark was significantly diminished.  Then, for less than a day, the remaining burners returned to working again. Now, nothing sparks or makes a hint that it's trying to ignite.  Sounds like a repairman's dream...

  • Mike1964 Mar 09, 2008

    One day a fuse blew on my panel and I narrowed it down to the Viking VGSU161. When ever I plug it in it makes a loud snap sound and the fuse blows. Any ideas why? I was pulling it apart hoping to find something and figured the brass rings were the key, but I really would like to know what the solution could be too.

  • Anonymous Mar 08, 2009

    Spark module continuously tries to ignite. Spark module was toasted
    over time...(viking quality problem) .
    Found a distributor who sells viking parts made in China. I had one unit
    sent to me for 57 dollars and now only two burners ignite.
    Wonder why people bu viking...stick to GE or Maytag.



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Well, it happened again. I'd replaced the spark module last time around, due to spillage getting into/onto that control unit. This time around, I had one burner that just kept sparking after it was lit. Cleaning the sparking post (emitter) didn't solve the problem, but I realized that there might be contamination elsewhere in the connect. I pulled the brass rings (nuts, really) and was able to lift the the top off. I carefully removed the individual sparking wires from each burner, and examined each assembly. After cleaning some debris off the male connector for that bad burner's spark assy, and reassembling the cooktop, it worked!

Things learned: The top can lift off without having to worry about dropping the entire unit. (This probably varies by model). The emitters _and_their_connectors_ are sensitive to contaminants. This was an EASY fix! Thanks for the helpful instructions everyone!

Posted on Dec 16, 2008



Here's the deal. Your spark module has gone out, for whatever reason. Gateway appliance has a great parts division, call them at 253-872-7838 and ask for parts. Order the spark module at least (about $45). If your's is like mine was, under the burner bases are orange o-rings. Mine were baked hard. Order all four new o-rings too. When it gets in, follow the above instructions for dissasembly. Inside, under a metal shield, covered by some insulation, is the spark module. The new module is slightly different, but has all the same connections. Go slow, and pay attention, but no big deal. Oh, BTW, you can pull the top without completely dismounting the cooktop from the counter top.

Good luck,

Posted on Dec 16, 2007

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On top of each burner there is a thing you turn to the left to release each burner then the lid lifts off

Posted on Nov 12, 2007

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Had the same problem some time back - turns out it was from accumulated food debris/buildup in and around the piezoelectric starters resulting in a change in resistance - which signaled the igniter to fire continuously. Try cleaning thoroughly top and bottom and make sure they are dry (I used oven cleaner, let it sit then cleaned w/toothbrush and toothpick.)

Good Luck

Posted on Nov 29, 2008

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