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5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

 
zeddy_1
Advisor

5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

All the batteries were replaced a few months ago (including the 2x ERMs), checked the logs just recently and noticed the capacity drop from   98% to 38% in 5 seconds, during a mains outage.

 

Running power manager 4.3 build 2

 

Goes from 74 min runtime to 27 min runtime in 5 seconds ?  

 

What is going on here?

Does something need to be calibrated?

 

  The power manager software is pretty short on featues compared with APC (will purchasing these in future, rather than HP)

8 REPLIES 8
zeddy_1
Advisor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

Doesn't anyone monitor these forums ?

Jan Soska
Honored Contributor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

Hello,

do you have latest firmware? Did it happen imidiatelly after instalation of modules? or after some time of use?

 

Jan

zeddy_1
Advisor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

Hi There! 

 

Yes, the latest firmware 2.08 is installed.

 

Using Power manager 4.3 build 2.

 

The  batteries were replaced a few months ago, but there hasn't been a power outage long enough (over 5 seconds) to see the drop in run time until recently. (We are blessed with good power !!)

 

Prior to replacing the battieries, the run time drop was much more significant - 71 minutes down to 19 in only a few seconds.

Lincy_Zachariah
Valued Contributor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

 if UPS does not provide the expected backup time  - please Be sure that the battery circuit breakers are in the On position.

Thanks & regards,
I work for HP
A quick resolution to technical issues for your HP Enterprise products is just a click away HP Support Center Knowledge-base
See Self Help Post for more details
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Jan Soska
Honored Contributor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

I had something similar before. In our case the UPS did not understand there are new batteries. There was need of kind of hardware reset. Unfortunatelly I do not remember exact procedure.

Have you read manual at  http://bizsupport.austin.hp.com/bc/docs/support/SupportManual/c00065453/c00065453.pdf ?

Lincy_Zachariah
Valued Contributor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

For Switching on the UPS battery circuit breaker you can refer to page no 19 of the user guide. (http://bizsupport.austin.hp.com/bc/docs/support/SupportManual/c00065453/c00065453.pdf   )

Thanks & regards,
I work for HP
A quick resolution to technical issues for your HP Enterprise products is just a click away HP Support Center Knowledge-base
See Self Help Post for more details
______________________________________________________
Was the post useful? Say thanks by clicking the white KUDOS Star!

zeddy_1
Advisor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

Just checked the circuit breakers on the UPS and ERMS, they are all in the on position......

zeddy_1
Advisor

Re: 5500 XR UPS - battery capacity drops from 98% to 38% in 5 seconds

Battery capacity now showing 0%  with 0 minutes runtime.

 

Any ideas?