jandy 400 jxi heater

I was having this issue with my Jandy JXI 400N heater that would constantly turn on, heat for a few minutes and then turn off and give a high limit, check IGT errors. I was able to fix the issue by just replacing the TRV valve. I originally got the part from Amazon and ended up being incorrect...

Had this fault on my 2015 pool heater. Manual said check connections. Bought a new fusible link on amazon. Touched the connections to the existing fusible link and the connector fell apart. Same with second connector. The high heat over 9 years of use deteriorated the cheap OEM connectors...

I have been struggling to troubleshoot the cause of my ignition fault. When the heater first failed the blower would still run. I replaced the Air Pressure switch and Hot Surface Ignitor. I did see glow on the hot surface ignitor,but my burners would not stay on for longer than 7 seconds. I...

Hello Amazing TFP people. Weird issue with the heater that I am still scratching my head on... I think this is intermittent, which makes me think electrical or component related.... In the past few months, if I went to turn on the heater in the Aqualink app, the heater would come on in the app...

My Jandy JXi is throwing the Fault High Limit error. I've read every thread on the topic, of which there are many. But can't figure out what's going on. I replaced both high limit switches but it threw the error again. I definitely don't have a flow problem - the filter is clean and the spa...

Hi All, I am very new to pool ownership as I just bought a house with one and have never owned one before. I am having an issue where my Jandy Jxi pool heater wont kick on. This started happening about one month ago- the unit displays a green light with no fault codes on it. To precace, I do...

Hello - We purchased a Jandy JXI400N gas heater and are getting conflicting information from different electricians on what is needed to wire the electric. The initial guy were were working with planned to tie into the timer box that we have. After connecting the plumbing for it, he had some...

Hello everyone, I’m new here but I’ve been a pool technician for roughly 5 years now. I’ve stumbled across a family friend of mine that bought a house with a 3 year old pool. They have all Jandy equipment and everything’s working great until recently that had to have their basement redone due to...

I read some posts similar to my issue and even replied to an older thread but thought I'd open it to the broader community. I believe I have a small leak in my 400 jxi as I've now replaced the ignitor 3 times in 2 weeks. The combustion chamber was filled with water when I figured out how to...