Help! Bogart Solar Controller Overcharging

landyacht318 wrote:
The obvious culprit to a battery temperature sensor reading incorrectly, is the battery temperature sensor itself or its wiring, or where it connects to the solar controller.

Inspect.

The Dang 'tighten stranded wire under screw' type of wire terminals will Always cause issues at some point either from oxidation or with the screws backing off and not being tight enough.

Such terminals might makes things frinedly for the end user with little skill to hook things up themselves, but they are doomed to cause issues. It is only a matter of time.

It does not matter how much care/torque was used in the crushing of that stranded wire under a screw terminal, it will at some point be too loose and the copper will oxidize and introduce resistance, causing more heating, causing more looseness and accelerated oxidation, until failure of the connection.

Tick tick tick.

THis is very good advice. I never have a "crushed wire" connection. Every DC wire that I use has a connector on any battery end.
And, I am so lucky to have chosen a Morningstar controller with MS view. I can program everything with a keyboard. Not trying to rub salt, here, but Trimetric could have a programmable interface without much trouble.
I have heard gossip that they are not going to produce controllers or monitors anymore but that is just hearsay. AFAIK, Bogart is selling gear and supporting it. They make a good product.

Good luck with the Bogart gear. It may have been just some sort of surge that occurred, measuring instrument was faulty, or the controller went batshit for a brief time. I'd keep a meter on things for a few days so that your AGM's are nice and full for the next trip.