FoxESS Community - Owners & Installers Forum

Back from the dead with an update!

I heard nothing back from UPS Solar, so got in touch with Fox support directly via email.

They've been very responsive, but seemed to struggle to understand the fault.

After about 20 emails back and forth they identified a problem in that the mode scheduler was ...

Just a brief update for anyone who is interested.

I had the idea to try limiting the force charge power to 3kW which seems to be below the level where the inverter starts tripping out as it's fully charging overnight again.

I have raised the issue with UPS Solar so we'll see what they say.

Inverter battery voltage graphing for the same time period

Unfortunately it seems that the three pin reset didn't work, we experienced the same behaviour again this morning.

I've attached screenshots of the BMS firmware version and the BMS charge rate graph from the previous night when this behaviour started.

Seems to me like there's a fault with the ...

Thanks for replying Dave.

Master is V1.31
Slave is V1.03
Manager (ARM) V1.48

So from what you've said I'm on the latest firmware version.

I checked the graphing and couldn't see anything anomalous on the battery voltage.

Hi folks,
Long time lurker, first time poster and as often is the case it's when I have a problem!

I have the following setup:
H1-5.0-E-G2 inverter
2x EP5 batteries
11 440w Canadian PV panels

All installed by UPS Solar on 11th December.

All has been well until this morning, when I noticed that ...