FoxESS Community - Owners & Installers Forum

Looks like max SOC is ignored when used with Mode Scheduler. I've set mine to 90% for all intervals (with Self Use mode) but the battery charged to 100%.

Is this expected? Should I update the firmware? Mine is 1.32 (master, H3 Smart inverter)

If you can add a picture of your scheduler it can be checked.
Updating the firmware might be a good idea in general, just to rule it out.

Scheduler Charging screen


Is there any way to get release notes for the firmware?

You can see the firmware list here viewtopic.php?p=8069#p8069
But as you can clearly see, there are practically no useful notes/changelogs supplied by Fox.

It might be an idea to check your current FW levels, and it probably won't hurt getting them updated, there seems to be a fair list of bugs with older FW's, I have had my share too.

Hopefully someone can double-check your scheduler shortly (thanks for posting)

I'll be honest i'm not exactly sure what you want those schedules to do, can you explain further ?

Self Use is the default work mode, I can see you are changing minSoC which if there was no solar and the batteries were below that level it would result in them charging from grid, maxSoC is set at 90% throughout the day, but that only affects grid charge; PV will always charge the batteries to 100% irrespective of that setting.

The second screenshot says your mode scheduler is disabled which would suggest the schedules have not been 'Submitted' and so they won't be running.

The very latest firmware does change some of this behaviour as FDSoC will start to behave like maxSoC in schedules and so you would set maxSoC and FDSoC to be the maximum charge level, it also changes the power setting to be either FDPwr when discharging, and FCPwr when charging which is useful to control the power at which your batteries charge.

Hm, ok, so I guess it is kind of working as expected.

The goal of the schedules is to try and reserve 30% battery charge for the peak period (3pm-9pm): by setting min SOC to 30% to avoid house load using it up. Max SOC was just me trying to follow on recommendation elsewhere to not charge to 100% every day.

The schedules are definitely working and are submitted, I do periodically get "disable" status and sometimes schedules fail to load with "system is offline" message but parameters do change as time changes and have real effect on the system. Not sure if that's the firmware or the app issue, the browser portal can't load schedules at all, always showing them as empty list.