Question about Jandy Laars LX Pool Heater / 400,000 BTU / Natural Gas
My Jandy LAARS LT400N-L Pool Heater is not working properly. I am getting the error "Service" and "AGS". If I press the gray button in between "pool" and "spa" it will force it to cycle through and then start but the heater will not start automatically. It doesn't do this every day but does this frequently enough that it is keeping the pool from heating. The filters/pump have been recently serviced.
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Posted on Jan 02, 2017
AGS stands for Automatic Gas Shutoff. This means the heater failed to sense a flame or flame rectification. When this occurs, the the gas valve will close as a safety precaution. The heater will have to be reset to get another call for heat.
Posted on May 19, 2010
AT THE HEATER PRESS THE BOTTOM TO TURN THE HEATER ON LINE IF NOTHING HAPPEND THE HEATER MUST DE WIRE CHECK YOU MANUAL FOR THIS ONE
Posted on Oct 15, 2009
If the unit is lighting then shutting off then repeating it isn't rectifying, means not sensing the flame. May have a bad flame sensor or ignition control. I'm guessing your AGS is indicated on the GUI also.
Posted on Mar 07, 2010
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