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Main burner is not igniting , can see a spark but cannot tell if it is strong enough

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  • t_edison02 Feb 03, 2010

    Over the 3 tries, the first try the spark appears strong but of short duration, the second and third try is very weak. Does this point to a bad cable?
    Thanks!

  • Ken Bledsoe May 11, 2010

    The spark you are seeing is for the pilot light. Now if that is failing to light the gas valve might be bad. Not opening the pilot valve for the pilot flame. If you have a volt ohm meter you can tell but at this point would recommend getting a tech in to find the cause.

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You may have a plugged pilot line or orifice. Find your gas valve and make sure it is in the "ON" position. If it is, turn it to off. Remove the nut holding the aluminum pilot tube on and inject a stream of air into the line from one of those can of air. Reassemble the pilot line and spray the can of air on the pilot assembly. This hopefully will remove any blockage that may be effecting the gas flow to the pilot.

Posted on Feb 03, 2010

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  • Chandler Ede
    Chandler Ede Feb 05, 2010

    If the spark is getting continually weaker each try, the logical culprit is the ignition box. It would be a good idea to inspect the spark wire for a good connection and also any ground wire that is coming off the spark module going to ground. Unscrew the screw holding the wire to ground and sand it a little then reattach.

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