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check under top there should be a flue fusible link possibly blown that's to safety circuit if blown unit possibly overheating check gas pressure or burn tubes for blockage

Jandy Pool & Spa | Answered on Sep 15, 2019

One of your actuators more likely the suction side is bad or the toggle switch on the bottom or side of the actuator is in the off position.

Jandy Pool & Spa | Answered on Jun 17, 2019

power aqualink system down all breakers turn off PDA then thurn aqualink back on then PDA should work if not need more info

Jandy Aqualink... | Answered on Jun 13, 2019

It is very likely that your exhaust Fuselink is faulty. There are two types of fuselink used on the LXI, commonly called the upper (exhaust) high temp and the lower (combustion intake) low temp. Make sure you purchase the correct part for the right location and ALWAYS turn off the power to the heater when changing the sensor.

Jandy Pool & Spa | Answered on Jun 12, 2019

A FL-4 error is an ignitor failure. There are three things that need to be checked to correct the issue. First is the ignitor. Replace if broken or burnt or cracked. Second is the 220/120 vac conversion plug that is plugged into the main board in the burner compartment behind the box cover. The black transistor may be burnt. Replace if burnt. This will happen often if the heater is connected with 220 vac power source. I highly recommend connecting to a 120 vac source if possible. The heater seems to like it more. But remember when switching power supplies to follow all manufacturers instructions on doing so. If after replacing these two items the FL-4 problem still occurs, the control board in which the conversion plug plugs into also may need replacement. This should correct the fl4 error.

Jandy Lite 2... | Answered on Jun 08, 2019

This is a highly complex computer controlled device. Please, refer to the above site for a copy of the installation and start up procedures. Normal operation is on page 20. https://www.jandy.com/-/media/zodiac/global/downloads/l/l0858.pdf
Please, refer to this website for detailed trouble shooting procedures, or contact a trained service technician for assistance.
He will have the tools, training, and talent to repair this device.

Jandy Pool & Spa | Answered on May 24, 2019

turn heater off then turn back on make sure gas is on

Jandy LXI 300... | Answered on May 18, 2019

check safety circuit

Jandy Pool & Spa | Answered on May 08, 2019

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