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

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Lars Lite 2 pool heater will not ignite

Turn the heater on to POOL and the igniter lights up / glows but the main burners will not ignite. Could this mean the thermocoupler needs replaced? OR??

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The easiest way to troubleshoot any heater, is to call the manufacturer. Their techs will walk you through each possible problem and solution until you find the answer.

Posted on Oct 03, 2008

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there are a few things you can check. make sure you have a good fuel supply. make sure the pilot light is lit. (just because the pilot is on doesnt mean you have good fuel supply). the pilot may be out of adjustment from the burner rail. the igniting burner rail may be dirty or blocked

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So, you replaced part R367100 (Igniter)? This part if very susceptible to failure if touched. I would inspect and/or run a continuity check to make sure it has non cracks. Does it glow red when you attempt to start the heater? Remember, that is the how it ignites the flame, by getting red hot.

If it glows red hot, but does not light then I'd do the following testing in between;

Check that the inline fuses on the igniter aren't blown,

Check if the control board is sending a charge,

Check the flame sensor for gunk build up. Unfortunately to replace the flame sensor look like you have to purchase a whole new burner assembly to get a new flame sensor.

I also believe there is a toggle switch on the front door. It may need to be depressed before the system will ignite.

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The burners will not ignite


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2 Answers

Pilot light is on - but will not ignite burners


The thermal bulb is mis alinged or is defective and can be bought at any hardware store cost's about $45.00 an takes 1/2 hour to change out. you may want to make sure the thermal bublb is directly in the path of the flame as this will cause it not to eok as well.

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Pilot will light but main burner will not light


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Jandy Lite 2 does not ignite


burners are plug with spider get a wire and bended get it inside the orifices where the gas come out every single one than try now ? magic heater comes on

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Laars lite 2 pool heater burners will not ignite


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