Questions & Answers for: Jandy what is sw box Computers & Internet

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

Hi Lim SW fault when trying to heat pool.It is a Laars lx 400,000 heater over heated check gas pressure then replace high limits also make sure chemicals in balance

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.

When setting the temperature in the service box it is reading Ext Sw 1. how do i correct this problem check pressure switch or fusible link

message says hi lim sw replace hi limits ther are 2 of them

HI LI SW i replace the two securities and i have always the same message check hi limits by plumbing can jump to check

jandyLx Heater error codes ext sw 1 check safety circuit

Error code "ext sw 1" Pool heater blower not coming on.. getting error code " Ext SW 1 check pressure switch

Spa Heater Not Firing Up - Service Ext SW 1 It doesn't seem to be igniting, isn't blowing and has the Service Ext SW 1 flashing on it. I don't know where to begin to ...

LAARS LX250N-L error code AIR FLO SW and sometimes a HI LIM SW cannot locate the source of the problem? I have a LX250N-L. I am getting mostly a AIR FLO SW error, but I have shorted the switch and ...