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UPS: The load exceeds 100% of rated capacity. 0x0103

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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filnko_apc
Crewman
Crewman
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3
1287

UPS: The load exceeds 100% of rated capacity. 0x0103

This was originally posted on APC forums on 1/14/2016


Hello there,

we've got some serious problems with our 4 year old APC Smart-UPS 2200VA RM 2U LCD 230V.

Recently, the UPS shut off with the error in the subject. The load was only around 10% with one server and some network equipment connected. Nothing that should cause any problems.

I attached the event.txt - is there any additional info you need?

Thanks, Christoph 

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filnko_apc
Crewman
Crewman
0 Likes
1
1287

Re: UPS: The load exceeds 100% of rated capacity. 0x0103

This was originally posted on APC forums on 1/15/2016


The batteries are quite new (5 months), but we bought them whitebox from another supplier (and they were brand new). We already had those problems with the old batteries - that's why we bought new ones.

Is there a way we can test the batteries? Should there be one battery with a different voltage that causes problems?

See Answer In Context

3 Replies 3
mitsmith_apc
Lt. Commander
Lt. Commander
0 Likes
0
1287

Re: UPS: The load exceeds 100% of rated capacity. 0x0103

This was originally posted on APC forums on 1/14/2016


Hi Christopher,

It seems like you have a bad battery in the unit. This sometimes throws off an overload alarm when you run a self test. How old is the battery? We typically say they last 3 to 5 years. 

-Mike

filnko_apc
Crewman
Crewman
0 Likes
1
1288

Re: UPS: The load exceeds 100% of rated capacity. 0x0103

This was originally posted on APC forums on 1/15/2016


The batteries are quite new (5 months), but we bought them whitebox from another supplier (and they were brand new). We already had those problems with the old batteries - that's why we bought new ones.

Is there a way we can test the batteries? Should there be one battery with a different voltage that causes problems?

Florian_Hofmann
Cadet
0 Likes
0
647

Re: UPS: The load exceeds 100% of rated capacity. 0x0103

I have a good old Smart-UPS 2200 RM that has been working flawlessly for the last 6 years. My current batteries are approx 1 year old.

 

My unit now reports an overload after self test and shuts down immediately:

04/23/2022 07:57:12 UPS: A low battery condition no longer exists.
04/23/2022 07:57:12 UPS: The load exceeds 100% of rated capacity.
04/23/2022 07:57:10 UPS: The output power is turned off.
04/23/2022 07:57:09 UPS: The battery power is too low to continue to support the load; the UPS will shut down if input power does not return to normal soon.
04/23/2022 07:57:03 UPS: Started a self-test.


The usual load is around 30% so should be fine. I did some tests after restarting the UPS:

 

- self test without load        --> fine

- self test with 500W load   --> fine, but capacity/run time remaining is noticeably short - 10 minutes or so

- self test with 1kW load      --> fine, but capacity/run time extremely short below 2 minutes

- self test with the original workstation (30%)  --> instant shutdown with the error above and also noticeably louder humming

 

I do not understand why only on my workstation the unit shuts down immediately - it does the one thing it should prevent. Has it something to do with the type of load and its power factor? The 1 kW was a vacuum cleaner the 500W an amplifier.

 

Can someone recommend a good test for the single cells, in case only 1 or 2 are bad ?

 

Many thanks

Florian

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