Dear Judith
The burnt electrical smell could be the UPS batteries.
Measure the voltage of the batteries.
Joe
On Sat, Apr 23, 2016, 5:40 PM Judith Amburgey <JAMBURGEY_at_wooster.edu> wrote:
> Dear Spinlanders,
>
> Do any of you have experience with an unexplained shutdown of an NMR
> connected to a UPS?
> We have an older 400 MHz Bruker AVANCE—we’re pursuing funding for a
> replacement.
>
> The instrument was working fine this morning, but this afternoon
> • the UPS alarm was beeping
> • the instrument had shut down
> • there was a burnt electrical smell in the room.
>
> We unplugged the power cord from the wall to the UPS and disconnected the
> cord from the instrument to the UPS.
> Once the power was disconnected and the room door left open, the smell
> vented and we can’t smell the burning electric smell anymore.
> We do not see any obviously damaged or discolored parts on any of the
> equipment.
>
> We’ve replaced our console cooling fans within the past five years.
> The UPS was upgraded within the last year.
> To the best of our knowledge there was no power outage.
> We don’t have reason to believe that a power surge occurred, but anything
> is possible.
>
> Our plan is to contact Bruker first thing Monday morning.
> If you have insights to share we’re greatly appreciative.
>
> Best
> Judy
>
>
>
>
> --
> Judith C. Amburgey-Peters
> Associate Professor
> College of Wooster
> Department of Chemistry
> 943 College Mall
> Wooster OH 44691
> Office Severance Hall Room 103
> Email jamburgey_at_wooster.edu
> Phone 330-263-2014
> Fax 330-263-2386
>
> Seek peace, and you will find it.
> Offer respect, and you will receive it.
> If you’re not having fun, then there’s probably a better way to do it.
>
>
>
Received on Sun Apr 24 2016 - 09:38:37 MST