Jandy LAARS LX400 - NATURAL GAS, DIGITAL READ-OUT, LOW NOX "lim" Questions

I get a message saying Hi Lim SW when trying to heat my spa. What does this mean? hi limit switch heating unit getting too hot what type of heater are you using

I get a message saying Hi Lim SW when trying to heat my spa. What does this mean Temp control failure (thermostat) high limit is safety to prevent over heat.

Fan for the heater will not come on showing service HI LIM SW on screen That would mean the high limit switch. Check it and see if you can reset it. It may have gone bad. Check first and if needed ...

how do i correct a "high limit switch circuit is open" code My pool heater (Jandy model LX400P-L) doesn't heat up the pool. The panel displays a code "HI LIM SW", a fault description that states a ...

Hi Limit Switch error This is the 6th time in 4 or 5 years that we've had a Hi Limit Switch error preventing the heater from firing on our Laars Lt. I was told last season by a tech that this ...

My Jandy Pol heater is giving me an error message of Hi Lim SW which I believe means that it has something to do with the High Voltage somethihg or other. Can you please help me? Thank you for posting