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Well the issue came back but this time instead of not igniting I don't seem to be getting any power to the control panel. When I jumper past all the switches I do get power and the heater ignites. Assuming one or more of the 5 (I think) switches must be bad. Not sure which ones. I still get...

There is no digital display on my unit. I opened it up and tested the pressure switch and did a few other continuity checks. Everything seemed to test OK and now the heater is working again. I did not notice any loose connections but maybe I had one. I will keep an eye on it. Not sure what...

The manual is located here: https://www.parts4heating.com/v/vspfiles/images/pdfs/HSeriesED1.pdf

I am trying to find a manual online, but no luck so far.

I have an Hayward H400ED1 pool/spa heater that has been bullet proof for the past 14 years. This week it seems to have stopped working. It does not ignite. Water pressure is good and I have confirmed that the unit is getting power. I am assuming that there is some fuse or switch that is...