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Battery Fault after configuring External Battery Cabinet Capacity

APC UPS Data Center & Enterprise Solutions Forum

Schneider Electric support forum for our Data Center and Business Power UPS, UPS Accessories, Software, Services, and associated commercial products designed to share knowledge, installation, and configuration.

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guillermo.elia_apc
Crewman
Crewman
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423

Battery Fault after configuring External Battery Cabinet Capacity

This was originally posted on APC forums on 11/30/2015


Hello!

I currently operate two Smart-UPS 20Kva units, both have an extra XLBP connected. They have been running since since last year with no issues. Last week, i noticed that the "External Battery Cabinet" field was empty, so i searched for the AMP-Hour capacity of the XLBP(3840 per the documentation) and configured it on both devices. After that i ran a run time calibration on both devices, and the runtime almost doubled, which is great. The weird part is that both devices reported a battery fault, this has never happened before. Did i configure something wrong? Both devices were installed in March '14, and both run at 5~20% load, never higher. 

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Accepted Solutions
guillermo.elia_apc
Crewman
Crewman
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0
423

Re: Battery Fault after configuring External Battery Cabinet Capacity

This was originally posted on APC forums on 12/10/2015


Then what i did was wrong, now i'm curious here, when should i populate the "External Battery Cabinet:  Amp-Hour" field, and what information goes in there? Does it even apply to my devices? 

Thank you Bill for taking your time to answer!

See Answer In Context

7 Replies 7
BillP
Administrator Administrator
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423

Re: Battery Fault after configuring External Battery Cabinet Capacity

This reply was originally posted by Bill on APC forums on 12/7/2015


Hi,

Please provide the full model numbers of the Smart-UPS and the external battery packs.

guillermo.elia_apc
Crewman
Crewman
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423

Re: Battery Fault after configuring External Battery Cabinet Capacity

This was originally posted on APC forums on 12/7/2015


Hello Bill,

UPS model: Smart-UPS RT 20kVA RM 230V SURT20KRMXLI

Battery Pack: SURT192RMXLBP2

BillP
Administrator Administrator
Administrator
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423

Re: Battery Fault after configuring External Battery Cabinet Capacity

This reply was originally posted by Bill on APC forums on 12/8/2015


Hi,

The battery packs are intelligent so the UPS should say "Batteries increased" on the screen when they are attached. If there is an error you should run a self-test to see if the error clears. If the error does not clear it is possible one of the batteries need to be replaced and you should contact local support for assistance. 

guillermo.elia_apc
Crewman
Crewman
0 Likes
0
423

Re: Battery Fault after configuring External Battery Cabinet Capacity

This was originally posted on APC forums on 12/9/2015


Bill,

I can't recall if we actually saw a message like that, but if the batteries are in fact intelligent, they should have been noticed by the UPS. Thing is, i should be seeing 16 batteries and not 8, but thats what i'm getting on both the units i have. Is this correct?

Battery
Capacity: 100.0 %
Nominal Battery Voltage: 192.0 VDC
Actual Battery Bus Voltage: 218.9 VDC
Battery Current: +0000.1 Amps
Batteries: 8
BillP
Administrator Administrator
Administrator
0 Likes
0
423

Re: Battery Fault after configuring External Battery Cabinet Capacity

This reply was originally posted by Bill on APC forums on 12/9/2015


Hi,

The batteries are smart and should be discovered by the UPS when connected. It can take 2 - 4  minutes to auto discover. If they do not then the connector is not full engaged. 

The battery number is correct. There are 4 sets of 2 battery packs in a series per cabinet so with 2 cabinets the total is 8 batteries. 

guillermo.elia_apc
Crewman
Crewman
0 Likes
0
423

Re: Battery Fault after configuring External Battery Cabinet Capacity

This was originally posted on APC forums on 12/10/2015


That is where it got confusing, there are 8 RBCs on each battery encasing, but they are accounted as four batteries per case then? 

guillermo.elia_apc
Crewman
Crewman
0 Likes
0
424

Re: Battery Fault after configuring External Battery Cabinet Capacity

This was originally posted on APC forums on 12/10/2015


Then what i did was wrong, now i'm curious here, when should i populate the "External Battery Cabinet:  Amp-Hour" field, and what information goes in there? Does it even apply to my devices? 

Thank you Bill for taking your time to answer!