The second time it ran with the lower voltage, was the check disconnected?
I wonder if when the glow plugs start, that the voltage drops (which I know it does) and the ctek then thinks it needs to charge, and the voltage variation causes some confusion.
In Beanies pic, the voltage is already high probably because of the part of the charge cycle it's on, whereas your voltage at 12.6 is probably a float charge.
Maybe it wakes it enough to cause the issue?
What ctek do you have connected Mark?
I'm guessing Beanies is the MXS-25?
Mark, can you text me your response from the unit when you send it "Settings1"
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Nope, that's my MXS- 7 via tow socket, battery full and it was on float charge at that point, green light on charge cycle, 25 is in the garage, can't really leave that on as a maintenance charger Altox GSM FBH controller thread
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