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Smart UPS 1500I -

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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BillP
Administrator Administrator
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179

Smart UPS 1500I -

This question was originally posted by Adam on APC forums on 2/6/2021


I had this unit for five years now. I always replaced batteries with genuine APC at least two times: not a single issue.

Recently, I have removed the UPS for scheduled maint, cleaned the ventilation holes and then put it back but without connecting any load. When I turned on the device, it performed a self-test which was not successful. The display showed a fault red light and the message: "fault state: output over volt". By attaching all the load back, and cycling the UPS power OFF-ON, the self-test was successfully passed. The load was 12% (120W).

If I attach something lower than 120W, the UPS won't pass the self-test neither is able to provide UPS protection to the outlets if the AC cable is removed (batteries fully charged).

Question #1:

Is there a Minimum load under which the UPS can't operate?

Question #2:

It is normal to get the "fault state: output over volt" without load?

I suspect a system malfunction because other UPS I have installed (different maker) are able to work and perform a self-test with no load attached. In this case, is there something I could do to verify the device?

Thank you very much,

Adam.


Accepted Solutions
BillP
Administrator Administrator
Administrator
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0
179

Re: Smart UPS 1500I -

This reply was originally posted by Adam on APC forums on 4/17/2021


After nearly two months, no answer!

Anyone?

 

Thank you,

AH

See Answer In Context

1 Reply 1
BillP
Administrator Administrator
Administrator
0 Likes
0
180

Re: Smart UPS 1500I -

This reply was originally posted by Adam on APC forums on 4/17/2021


After nearly two months, no answer!

Anyone?

 

Thank you,

AH