Possible. Not likely.

The guys that do this day-in and day-out, tend not to be online much -- if you work on something all day, you usually don't want to spend time in the evenings working on it some more. Plus many skilled service techs aren't all that skilled with a keyboard.

Other pool guys, who are online (like me) and who have worked on some heaters, can't help much unless they happen to have worked on just that particular heater. When heaters were all electro-mechanical (till about 15 years ago), they were all pretty much alike. So, working on a Laars heater would carry over substantially to working on a RayPak. But, now they are all electronic, and every company has a different board and a different set of software instructions running their heater. So troubleshooting them is much, much more specific to that model.

Hence, your problem.

For what it's worth, Jandy is not a favored brand here. In my case, it's just a lack of experience with Jandy products, plus a huge distrust of Zodiac. Other, who have worked on Jandy stuff, seem consider it generally inferior to Hayward or Pentair, though there are specific exceptions.

Builders usually do NOT work on the products they sell, after the first year, so their preference tends to be (1) what's most profitable and (2) whether it gives trouble during their warranty year. Zodiac is good at marketing.