Question about Lite On Laars Lite 2 Heaters: 250,000BTU MV Heater

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Laars lite 2 Spark egnighter will not spark

I have a costamer who has a laars light 2 and the spark egnighter will not spark. i have it narrowed down to the egnighter or egnighter box(egnighter board).

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Turn power off first. I would disconnect igniter wire which will be a thick orange wire that comes off of ignition module if it is spark. once you have that the end will look like a spark plug wire take shield away from metal then hold orange wire in hand close but not touching metal turn power on and it will take a couple of minutes before it should start sparking. If you don't see a spark then it is most likely the ignition module. There should be a red light on ignition module that will blink to tell you what the failure is if is is a newer on. When you turn power on to laars light 2 the inducer motor should come on then a pressure switch should send 24volt to gas valve for pilot to lite.Can you smell gas at all when laars should be igniting. If you have any questions fell free to email me back

Posted on May 14, 2008

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