Ken,

Why do you think the UPS is at fault?

-Miles 

> On Nov 9, 2015, at 07:13, Ken Teh <[log in to unmask]> wrote:
> 
> I need some advice on how to troubleshoot an apc smart ups.  I am
> getting pairs of onbatt/online messages from nut 3-4 times a day.  No
> particular regularity.
> 
> My first attempt at a fix was to set the power quality to fair to see if
> that would help.  Nope.  There is an advanced config option called the
> transfer setting which I gather is a specific value for triggering an
> on battery transition.  I've not tried this.
> 
> I'm thinking of trying an alternative circuit to see if that helps.
> 
> But, all this is basically stabbing at the wind.  I've tried to find a
> write-up on how one goes about diagnosing ups problems like this but no
> luck.
> 
> I would appreciate any advice you have.  Thanks.