[Nut-upsdev] apcsmart: doesn't detect missing battery on Smart-UPS 2200 RM

[Michal Soltys]

On 2015-07-20 04:04, Charles Lepple wrote:
> Michal,
>
> I ran across this Debian bug today:
>
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=707223
>
> It's a bit of a corner case, and it's for NUT 2.6.4 (apcsmart driver v3.04), but I was wondering if it was still applicable for the latest code?

It might be, I don't recall changing much in context of those commands - 
and the code never relied on registers.

>
> "nut reports 100% battery charge after unplugging the battery on a Smart-UPS 2200 RM (SUA2200RMI2U) using apcsmart.
> Powerchute correctly reports the missing battery. The front panel displays 0% charge and change battery is flashing.
>
> The Smart Protocol commands B (Battery voltage) and f (Battery level) report false values of 55.35V and 100%.
> The missing battery might be indicated by register values:
>
> Register0: 00
> Register1: 20
> Register2: 00
>
> Register1 indicates: Command sent to stop bypass with no battery connected - UPS still in bypass
>
> All register values are 00 on an identical UPS with a connected battery."
>

I'll try looking into it.