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My FCSP was in service for several weeks but would not overheat unless it was running for at least an hour an a half at full 80 amp capacity. The specified torque (60 inch-pounds) is not much for a wrench but it's a lot for a screwdriver -- that is, those lug screws need to be tight! I cured...

The above may all be true but there is an additional nuance. It turns out that the FCSP is designed such that excessive heat at the wire connection lugs causes the unit to trip off with a ground fault. And under-torqueing those lugs (to less than 60 inch-pounds) causes excessive heat at the...

Turns out my problem was the screws in the lugs (where the gauge 3 wires are connected ) were under-torqued, which causes excessive heat. The FCSP is designed to trip off with a ground fault when excessive heat in those lugs is detected...

Why had you needed to disconnect the brown wire at all? I am obviously dealing with a different issue. My FCSP operates fine for a period and then kicks off due to a ground fault error (pulsing red light). I am using the unit for charging only, I do not have a backup power system.

Oh wow. That definitely sounds muddy. So it's possible your original FCSP was defect-free and the electrician corrected an earlier mistake which solved your issue? (This would mean the assessment offered above by FlasherZ is incorrect. But if your second FCSP continued to trip with a ground...

Did you ever achieve resolution to your problem? I'm having exactly the same issue with my relatively new FCSP running at full 80 amp capacity (on a 100 amp circuit breaker). The charger trips off with a pulsing red light (indicating a ground fault) intermittently and without warning. When I...

What is the kilowatt capacity of the inverter in the HIS sold by Ford and installed by SunRun? That is, how much solar energy will the Ford inverter support? Thanks,

Yep; when I lived in Georgia I paid that tax annually to register my Chebby Bolt. I now live in Tennessee where the annual EV registration is an extra $100. As an added bonus, Tennessee has no state income tax. Other than an amazing airport, I miss little about Atlanta...

When I purchased the Lightning I traded my 2017 Ram 250 Cummins diesel. I had bought the Ram in January 2020 and the Ford dealer gave me $5k more than I paid for it. The Ram would pull a large dump trailer full of topsoil but I don’t miss paying for diesel fuel…