Question about Jandy Lite2 175,000 Btu Propane Gas Electronic Pool Heater

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Flame sensor will not let the boiler run - Jandy Lite2 175,000 Btu Propane Gas Electronic Pool Heater

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I too had intermittant problems with the flame sensor. After cleaning it worked (for a while), I also did the dielectric grease & it worked (for a while). then as I was looking at it in search of a part# I noticed the wire would slide in and out of the sensor 1/16" to 1/8" and found that if I pushed it inward it worked. So I removed it again slid the wire out that little bit applied a drop of super glue, pushed it in and held it in place for a minute. It works. I ordered the new part but when I install it this one will be hanging on a nail on the wall behind the boiler just in case.

Posted on Nov 30, 2009

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I just had the same problem. The sensor is a simple device so there's not much that can go wrong with it. My solution was simple. Put some dielectric grease on the wire connection (black wire from sensor to control panel connector). This will stop further corrosion and improve the electrical connectivity. Also, I noticed my sensor wire was sitting too low over the flame probably keeping it from getting hot enough. I pushed the wire up 1/8" - 1/4" to place it higher in the flame. When I fired it up, the sensor worked fine and the burner kept running. Most electrical problems occur at the connections so make sure yours is clean and get some dielectric grease from Radio Shack. This is a 5 minute fix for anyone with fingers, over the age of 18.

* Please use common sense and set the heater to off before you do anything with the door removed. Unless you would like to remove all of the hair on your head in a fraction of a second.


Posted on May 31, 2009

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My oil boiler is a Danesmoor SLPJ 20-25 with an Electro Oil Inter 2011 burner. The oil tank ran out and after refilling the burner ran ok for approximately 6 minutes, the control box chattered and the...

you could have a problem with a temperature sensor.
it would not be the flame sensor since it could not wait 6 mins to sense that there is flame in the unit.
could be a temperature sensor problem where it is sensing a temperature which could be correct but it is sending a wrong signal to the controller to turn off the flame and start another cycle.

tnx 4 using fixya,


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