Question about Jandy Laars Lite2 Ld 400,000 Btu Heater
The on/off switch and thermostat switch do not open the gas valve to allow the heater to start heating. is there a way to bypass and open the valve manually?
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Posted on Jan 02, 2017
if burner lights after jumping valve you have something wrong in thermostat loop. disconnect the 2 thermostat wires on gas valve and use multimeter on continuity setting. if all wires ,connectors and components are good,you will get a tone.since you have jumped out each component in thermostat loop with no success ,i would suspect a bad wire or oxidation on a terminal .
Posted on Sep 24, 2009
do you change the sensor that come with the termostat? do you have a automatic control may be a temp sensor is bad ? last the pool take one degree per hour to heat are u give enough time?
Posted on Oct 16, 2009
SOURCE: The spa heater says the
1. Turn off the power to both the pool/spa control system and the heater unit.
2. Remove the front panel door from the front of the heater to access the raceway.
3. Run the wires from the pool/spa control system through the opening, Thermostat is located on the lower right or left hand side of the heater.
Please check this link for more details---
Jandy LXI 300 POOL HEATER Manual
Hope this helps... If it does please do not forget to accept the solution or post back for assistance.
Posted on Aug 21, 2010
SOURCE: FL2 Error Code. Ignitor
FL2 = the flame sensor doesn't detect the presence of the flame so the burner is shut down.
The sensor is a thermocouple that changes its resistance when heated - carbon build up has little to no effect on it but, if present in large quantities on its insulating post, can short the sensor to the ground so clean it with sanding paper. In your case you have a bad connection between the actual sensor and the control board - you will need to inspect it and locate it. If you can't locate it then it's either in the sensor's casing (you will need a new sensor) or in the control board - there is a bad soldering in there and you will have to redo al of them.
Posted on Jul 12, 2011
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