Can’t set charging to 80 A via the software without power cycling FCSP

[DavidYo]

I don’t know how common this issue would be for people, but I like to charge at 24 A most of the time. But sometimes I need to charge more quickly and I adjust the amperage output of the charge station through the Ford app. Unfortunately, I can never get the charger to go full 80 amp output without setting it to 80 A and then doing a power cycle on the charger. The Ford app will accept the 80 amp and say setting changed and then when I look back at the app it’s still at 80 but I still get the little yellow light on the charger indicating that it is de-rated and the actual current output is not at the full 80 but more like 78 or whatever the previous setting was. I can set it anywhere up to 79A via the software and it works fine. Anyone else run into this or have a possible fix?

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[Zprime29]

I've haven't tired adjusting it in a while. But I don't think I've ever had good luck with the setting actually working in FordPass. I reboot once to reduce it in summer and once more to bump it up during the winter. Now that my garage is insulated I'm just going to leave it at 80A.

 

[DavidYo]

I've haven't tired adjusting it in a while. But I don't think I've ever had good luck with the setting actually working in FordPass. I reboot once to reduce it in summer and once more to bump it up during the winter. Now that my garage is insulated I'm just going to leave it at 80A.

I also used to adjust the setting on the board and I even cut a hole in the internal cover so I didn’t have to remove any screws. Of course I would kill the breaker first. Maybe a couple of months ago I tried using the app to adjust the power output and it started working pretty well aside from setting to full 80amps. It even works during a charging session which is handy. I have a call in to tech support and they are going to “get back to me” on it.

 

[Zprime29]

I also used to adjust the setting on the board and I even cut a hole in the internal cover so I didn’t have to remove any screws. Of course I would kill the breaker first. Maybe a couple of months ago I tried using the app to adjust the power output and it started working pretty well aside from setting to full 80amps. It even works during a charging session which is handy. I have a call in to tech support and they are going to “get back to me” on it.

Even when mine is indicating full rate (no yellow light on the FCSP) I don't see the full 80A. I think I usually see ~78A, although that's based on backing out the math from FordPass reported charging rate. I haven't checked with my OBD reader in a while. Will be interesting to see what tech support says.

 

[TaxmanHog]

I have NEVER gotten above 77/78 amps, if you get to that point you're fine.

Might take several attempts and restarts of the FCSP to get the YELLOW derate lamp to switch off, yes it's a pain in the ass, once you got it set, leave it alone.

AMPS as viewed by my Emporia Vue2 FCSP is set to 80 amps with no software derating.

 

[DavidYo]

I would like the device to work as sold. So far all tech support has offered me is that I need to remove my charging schedules. I don’t have any set

 

[TaxmanHog]

I would like the device to work as sold. So far all tech support has offered me is that I need to remove my charging schedules. I don’t have any set

Yes, many of us would, pipe dream that Ford or Siemens won't achieve, BTW 97.5% of intention is well within general tolerances.

 

[tearitupsports]

I found that if you use the app, you can set the rate lower than previous and it will take automatically. Any time you set it to a higher current rate, then you have to power cycle the charge station to get it to take.

 

[DavidYo]

That used to be the case for me as well but recently I can both raise and lower the charge rate via the app but 80 amps requires a power cycle.

 

[TaxmanHog]

I've intentionally avoided making changes, but as new iterations of Ford App are released, these are opportunities to experiment.

 

[TaxmanHog]

Yesterday afternoon, I experimented with adjustability of the apm rate on the FCSP, short story ... it still is unpredictable with increasing the value after a reduction of the rate, just as the OP and others above have observed.

I lowered the rate to 48 amps, prior to plugging in, the value change took hold and stayed put through the bulk of the charging session. NOTE (the 10.3 kW DC vs. 11.3 kW AC is normal conversions losses)

As my SOC was approaching the 90% goal, I tried bumping the rate up while the session was still active as I've done in the past, but it would only hold for about a minute or so, then the rate would decrease to lower value.

Tried at 75 amps but it wouldn't hold for long

Tried 79 amps just under the peak value still wouldn't hold long.

End of session snap shots of amps & total kWh's consumed for an 80% to 90% charging session.

After unplugging, I returned the value to 80 amps yesterday afternoon.

This morning I power cycled the FCSP to prepare it for this afternoon's session.

I expect energy flow at a normal 76/77 amp rate (set for 80) as it has over the past 3+ years.

 

[K6CCC]

@TaxmanHog How are you getting those graphs? Or is that not in the Ford apps?

 

[Zprime29]

@K6CCC He's using the Emporia Vue Energy monitor. I wanted to do the same for mine as well as the rest of the house but the FCSP is over the spec for the individual monitors. You have to use the beefy 200A mains monitors on it. I might end up getting a second just for that. Haven't decided yet.

 

[TaxmanHog]

@TaxmanHog How are you getting those graphs? Or is that not in the Ford apps?

Get the basic kit with just the mains sensors to monitor only the EVSE charging.

Mine is an older Vue-2, newest version is Vue-3
https://shop.emporiaenergy.com/products/emporia-vue-3

 

[K6CCC]

Thanks. I suspected it was something other than the Ford apps. It bums me that chart for the FCSP in the Ford app shows the total power for an entire charge session as if it took place in the hour when the session ended. How lame...

I can sort of get an idea what it did looking at my utility power monitoring or my solar system monitoring, but that is total house load in vs out from the utility.

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