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

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Laars lite 2 pool heater burner not lite

Pilot light stays on but burner underneathe won't come on. please help.

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  • sa1lman Apr 24, 2009

    The pilot stays on but the burner does not come on; wires appear to be OK; water pressure appears to be fine

  • Vaughan Bastien May 20, 2013

    water and wires good

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Ive got the same problem and am fitting a new thermal generator i will let you know if it works

Posted on Feb 28, 2009

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If the pilot flame is not strong enough, it will not tell the gas valve to open, or if the gas valve is not getting the signal to open, it won't. Check all wire connections at the thermostat and gas valve. Check ground wires. Clean the pilot light and flame rod.

Posted on Dec 05, 2008

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1 Answer

Pilot is lit, but burner will not come on. I jumped TH/PP to TH then burner comes on. Pilot generator = 350mV.


More than likely the tempature control is defective, since you effectively bypassed that connection. I found a manual for your unit which shows different types of ignition. I'm not even sure if the millivolt system is covered in this manual. Here's the sight
http://shop.solardirect.com/pdf/pool-heaters/gas-pool-heaters/jandy-lite2manual.pdf

Jul 12, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

Laars Lite 2 Heaters starts up (ignites) and shuts down in 2 secs


usually indicates a flame sensing problem. remove sensor and clean with steel wool .

Jun 23, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

2 Answers

Laars Lite 2 Gas-Pilot stays on, but main burner shuts off 10 min


A polit generator produces about 750 MV without a load. Under load it will drop to about 200-250 MV. If the system is working don't worry about it. If the system is not working replace the pilot generator and retest. Pilot generators usually go bad slowly.

Jun 22, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

Pool Heater Light main burner then goes out


take millivolt reads while main burner is on.i suspect you will see a drop in voltage until you get to point where it will no longer operate burner(around 200mv).if this is the case you probably have poor pilot characteristics due to dirty pilot,pilot out of adjustment ,obstruction or insufficient gas pressure

Jun 21, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

Pilot light stays on but burner doesnt ignite


usually the small opening on the burner that 'points' to the pilot light will get clogged with cleaning soap or spills. Look carefully (the burner may be very easy to remove for inspection. There should be a small hole on the side pointing toward the location of the pilot light. It will be lower down than the main burner openings. Clean it out with a wooden toothpick.

Jun 19, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

Main burner will not light. pilot has now gone out


shut off the gas at the gas **** and gas valve. the pilot tube is held in place by a 7/16 compression nut. remove it then remove the 2 screws for the thermopile "generator". follow the pilot tube and the pilot assembly should be held in by one or two screws. usually you don't have to remove the main burners. hopefully this helps

Jun 14, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

2 Answers

Laars Lite 2 Coversion to LP Gas


Hi you will need a gas fitter to do this and set it up

Jun 02, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

2 Answers

Laars-lite LD 97-2000 pool heater wont burn


cycling usually begins as the result of poor water flow caised by debris in the pump, dirty filter or low water level. once you have had some cycling the heater burners and ignitor become sooted and this requires pulling the burner tray, de-sooting the burners and pilot and reassembly. unless you are very competent you may want to call a service tech. Pool heater repair is a high laibility endeavor if done improperly. During the certification class our instructor showed us several houses that were burned down from improper heater repair.

Mar 24, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

Pilot stays lit, but burners underneathe do not light up or burn.


Check pump is working, if so could be stuck flow switch or gas valve fault get unit serviced

Aug 31, 2008 | Lite On Laars Lite 2 Heaters: 250,000BTU...

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