Question about Jandy Lite 2 Natural Gas Pilot Light Heater

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I have a Jandy Lite 2 heater and I keep getting an error message FL 0. What can I do to get this heater working?

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  • Jandy Master
  • 4,262 Answers

Check the copper line to the pressure switch if ok check pressure switch should have 24 volts ac both sides if ok check rest of safety circuit

Posted on Jan 30, 2016

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Posted on Jan 02, 2017

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SOURCE: getting error code 188E on Jandy Model LT Lite 2

press the arrow key for 10 sec this will reset the heater. if code replace control board, if not enter time date and set temptures for pool and spa

Posted on Oct 16, 2009

  • 18 Answers

SOURCE: FL 4 error, Jandy Lite 2 pool heater

I believe you may have a draft restriction and this may stop the start up diagnostics. The draft detection switch is sometimes restricted or weak. Common problem. Tap the gas valve to see if the winter has caused the valve to seat heavily and stick.

Posted on Apr 25, 2010

john224
  • 1378 Answers

SOURCE: Jandy Lite 2 pool heater

Thank you for posting your question here on Fixya.com.


Page 34 and 35 of your manual, found here, describe FL0 as a flow issue most likely caused by dirty filters. Depending on the type of filter you have a good cleaning/backwash will usually remedy that. It is also possible the unit's pressure switch, which senses water flow and therefore reacts to dirty filters when present, may have failed, especially if you winterize the heater in a cold climate and leave water in the switch which can burst the diaphragm inside.

Start with cleaning the filter. If the heater still won't fire jump out the pressure switch while the pump is running to confirm the part is the problem. Assuming it is replacing it with a new pressure switch which should be under $75. The part number can be found in the rear of the manual.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!


John

Posted on Apr 29, 2011

john224
  • 1378 Answers

SOURCE: getting FL0 error message.

Thank you for posting your question here on Fixya.com.


Page 34 and 35 of your manual, found here, describe FL0 as a flow issue most likely caused by dirty filters. Depending on the type of filter you have a good cleaning/backwash will usually remedy that. It is also possible the unit's pressure switch, which senses water flow and therefore reacts to dirty filters when present, may have failed, especially if you winterize the heater in a cold climate and leave water in the switch which can burst the diaphragm inside.

Start with cleaning the filter. If the heater still won't fire jump out the pressure switch while the pump is running to confirm the part is the problem. Assuming it is replacing it with a new pressure switch which should be under $75. The part number can be found in the rear of the manual.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!


John

Posted on Jul 22, 2011

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I believe you may have a draft restriction and this may stop the start up diagnostics. The draft detection switch is sometimes restricted or weak. Common problem. Tap the gas valve to see if the winter has caused the valve to seat heavily and stick.

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