APC BR1500LCD - killpower command shuts off AC In

[David Korth]

Hi. We just got a new APC BR1500LCD UPS, and are having some problems with the
killpower command. Specifically, when apcupsd (or apctest) sends the
killpower command to the UPS, it doesn't kill power; instead, it merely
disconnects AC Input and goes on battery.

The UPS connects via USB, so I'm thinking it might just be a bug in apcupsd's
USB HID support.

Anyone know if this is, in fact, just a bug in apcupsd, or if it's an issue
with the UPS itself?


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[Adam Kropelin]

> David Korth wrote:
> Hi. We just got a new APC BR1500LCD UPS, and are having some problems
> with the
> killpower command. Specifically, when apcupsd (or apctest) sends the
> killpower command to the UPS, it doesn't kill power; instead, it merely
> disconnects AC Input and goes on battery.
>
> The UPS connects via USB, so I'm thinking it might just be a bug in
> apcupsd's
> USB HID support.
>
> Anyone know if this is, in fact, just a bug in apcupsd, or if it's an
> issue
> with the UPS itself?

This behavior is typical if you issue the killpower command when AC power
is still present. killpower is specifically intended for powering off the
UPS when it's already running on battery. The behavior you describe will
happen on some models if AC power is still present.

--Adam


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[David Korth]

On Saturday, June 28, 2008 10:09:20 am Adam Kropelin wrote:

> > David Korth wrote:
> > Hi. We just got a new APC BR1500LCD UPS, and are having some problems
> > with the
> > killpower command. Specifically, when apcupsd (or apctest) sends the
> > killpower command to the UPS, it doesn't kill power; instead, it merely
> > disconnects AC Input and goes on battery.
> >
> > The UPS connects via USB, so I'm thinking it might just be a bug in
> > apcupsd's
> > USB HID support.
> >
> > Anyone know if this is, in fact, just a bug in apcupsd, or if it's an
> > issue
> > with the UPS itself?
>
> This beha
> vior is typical if you issue the killpower command when AC power
> is still present. killpower is specifically intended for powering off the
> UPS when it's already running on battery. The behavior you describe will
> happen on some models if AC power is still present.
>
> --Adam
>
>
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I just tested killpower again with the UPS unpluged. The UPS still remained on
instead of shutting off, but plugging it back in didn't restore AC power. It
took a few unplug/replug and power-off/power-on tries to get the UPS to go
back online.


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[Adam Kropelin]

David Korth wrote:

> On Saturday, June 28, 2008 10:09:20 am Adam Kropelin wrote:
>>> David Korth wrote:
>>> Hi. We just got a new APC BR1500LCD UPS, and are having some problems
>>> with the
>>> killpower command. Specifically, when apcupsd (or apctest) sends the
>>> killpower command to the UPS, it doesn't kill power; instead, it merely
>>> disconnects AC Input and goes on battery.
>>>
>>> The UPS connects via USB, so I'm thinking it might just be a bug in
>>> apcupsd's
>>> USB HID support.
>>>
>>> Anyone know if this is, in fact, just a bug in apcupsd, or if it's an
>>> issue
>>> with the UPS itself?
>>
>> This beha
>> vior is typical if you issue the killpower command when AC power
>> is still present. killpower is specifically intended for powering off
>> the
>> UPS when it's already running on battery. The behavior you describe will
>> happen on some models if AC power is still present.
>
> I just tested killpower again with the UPS unpluged. The UPS still
> remained on
> instead of shutting off, but plugging it back in didn't restore AC power.
> It
> took a few unplug/replug and power-off/power-on tries to get the UPS to
> go
> back online.

There are various delays involved with killpower that may have confused
your results. Do this:

1. Disconnect utility power from UPS
2. Verify UPS goes on battery
3. Issue killpower command (if you're using 'apcupsd --killpower' be sure
to kill any running apcupsd and create the powerfail flag file first)
4. Wait 90 seconds
5. UPS should turn off its output within this time
6. Restore utility power to UPS
7. Wait 90 seconds
8. UPS output should turn back on within this time

--Adam


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[David Korth]

Ok, I verified that it does, in fact, work. I wasn't expecting the delay after
issuing the killpower command, so that's what tripped me up.

Thanks.

On Saturday, June 28, 2008 01:32:58 pm Adam Kropelin wrote:

> David Korth wrote:
> > On Saturday, June 28, 2008 10:09:20 am Adam Kropelin wrote:
> >>> David Korth wrote:
> >>> Hi. We just got a new APC BR1500LCD UPS, and are having some problems
> >>> with the
> >>> killpower command. Specifically, when apcupsd (or apctest) sends the
> >>> killpower command to the UPS, it doesn't kill power; instead, it merely
> >>> disconnects AC Input and goes on battery.
> >>>
> >>> The UPS connects via USB, so I'm thinking it might just be a bug in
> >>> apcupsd's
> >>> USB HID support.
> >>>
> >>> Anyone know if this is, in fact, just a bug in apcupsd, or if it's an
> >>> issue
> >>> with the UPS itself?
> >>
> >> This beha
> >> vior is typical if you issue the killpower command when AC power
> >> is still present. killpower is specifically intended for powering off
> >> the
> >> UPS when it's already running on battery. The behavior you describe will
> >> happen on some models if AC power is still present.
> >
> > I just tested killpower again with the UPS unpluged. The UPS still
> > remained on
> > instead of shutting off, but plugging it back in didn't restore AC power.
> > It
> > took a few unplug/replug and power-off/power-on tries to get the UPS to
> > go
> > back online.
>
> There are various delays involved with killpower that may have confused
> your results. Do this:
>
> 1. Disconnect utility power from UPS
> 2. Verify UPS goes on battery
> 3. Issue killpower command (if you're using 'apcupsd --killpower' be sure
> to kill any running apcupsd and create the powerfail flag file first)
> 4. Wait 90 seconds
> 5. UPS should turn off its output within this time
> 6. Restore utility power to UPS
> 7. Wait 90 seconds
> 8. UPS output should turn back on within this time
>
> --Adam
>
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://sourceforge.net/services/buy/index.php
> _______________________________________________
> Apcupsd-users mailing list
> Apcupsd-users@...
> https://lists.sourceforge.net/lists/listinfo/apcupsd-users

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[Adam Kropelin]

Glad it's working for you now. The LCD models gave us some trouble at
first, so it's nice to know we've solved that.

The delay, known as the "shutdown grace period", is very important.
Without it, the UPS would cut the power to the computer before the OS
had finished shutting down.

--Adam

On Tue, Jul 1, 2008 at 11:31 AM, David Korth <dek35@...> wrote:

> Ok, I verified that it does, in fact, work. I wasn't expecting the delay after
> issuing the killpower command, so that's what tripped me up.
>
> Thanks.
>
> On Saturday, June 28, 2008 01:32:58 pm Adam Kropelin wrote:
>> David Korth wrote:
>> > On Saturday, June 28, 2008 10:09:20 am Adam Kropelin wrote:
>> >>> David Korth wrote:
>> >>> Hi. We just got a new APC BR1500LCD UPS, and are having some problems
>> >>> with the
>> >>> killpower command. Specifically, when apcupsd (or apctest) sends the
>> >>> killpower command to the UPS, it doesn't kill power; instead, it merely
>> >>> disconnects AC Input and goes on battery.
>> >>>
>> >>> The UPS connects via USB, so I'm thinking it might just be a bug in
>> >>> apcupsd's
>> >>> USB HID support.
>> >>>
>> >>> Anyone know if this is, in fact, just a bug in apcupsd, or if it's an
>> >>> issue
>> >>> with the UPS itself?
>> >>
>> >> This beha
>> >> vior is typical if you issue the killpower command when AC power
>> >> is still present. killpower is specifically intended for powering off
>> >> the
>> >> UPS when it's already running on battery. The behavior you describe will
>> >> happen on some models if AC power is still present.
>> >
>> > I just tested killpower again with the UPS unpluged. The UPS still
>> > remained on
>> > instead of shutting off, but plugging it back in didn't restore AC power.
>> > It
>> > took a few unplug/replug and power-off/power-on tries to get the UPS to
>> > go
>> > back online.
>>
>> There are various delays involved with killpower that may have confused
>> your results. Do this:
>>
>> 1. Disconnect utility power from UPS
>> 2. Verify UPS goes on battery
>> 3. Issue killpower command (if you're using 'apcupsd --killpower' be sure
>> to kill any running apcupsd and create the powerfail flag file first)
>> 4. Wait 90 seconds
>> 5. UPS should turn off its output within this time
>> 6. Restore utility power to UPS
>> 7. Wait 90 seconds
>> 8. UPS output should turn back on within this time
>>
>> --Adam
>>
>>
>> -------------------------------------------------------------------------
>> Check out the new SourceForge.net Marketplace.
>> It's the best place to buy or sell services for
>> just about anything Open Source.
>> http://sourceforge.net/services/buy/index.php
>> _______________________________________________
>> Apcupsd-users mailing list
>> Apcupsd-users@...
>> https://lists.sourceforge.net/lists/listinfo/apcupsd-users
>
>
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://sourceforge.net/services/buy/index.php
> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/apcupsd-users
>
>

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