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No AC after changing battery in Back-UPS RS 1500

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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thall_apc
Cadet
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3
193

No AC after changing battery in Back-UPS RS 1500

This was originally posted on APC forums on 5/29/2013



I just replaced the battery in my Back-UPS RS 1500.  When I connect to AC and press the power button it will ONLY operate on the battery.  It's as if I never connected to AC.  I have tried multiple outlets all of which are working with other items.  No luck.  No evidence of damage to the AC cord or anything else.  The Unit was operating normally until previous battery became unchargeable.


Accepted Solutions
BillP
Administrator Administrator
Administrator
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193

Re: No AC after changing battery in Back-UPS RS 1500

This reply was originally posted by Shanon on APC forums on 12/8/2016


Hello Alexandre,

I am sorry that you are having an issue.

I am a little confused about exactly what model you have, the BR1500 is an older model Back-UPS, which does not have sensitivity settings. Do you have a BR1500G? What is the serial number?

Typically, 128V is a little high, but if you have sensitivity set to low, then it should be fine. Also, depending on the model, it is also too low for the AVR trim to turn on. 

Do you know what voltage the fluke measured incoming voltage as?

Thanks,
Shanon

See Answer In Context

3 Replies 3
BillP
Administrator Administrator
Administrator
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193

Re: No AC after changing battery in Back-UPS RS 1500

This reply was originally posted by Angela on APC forums on 5/30/2013


So is this a BR1500 or BR1500G (the G has the front panel LCD)? I am just wondering if you can see on the LCD if it shows 0V input voltage?

If not, do you have PowerChute Personal Edition installed so we can try to figure out why it is not going on battery (THD/electrical noise, voltage out of range - or it thinks it is but it is not, etc).

aaklug_apc
Cadet
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0
193

Re: No AC after changing battery in Back-UPS RS 1500

This was originally posted on APC forums on 12/6/2016


Hi,

I have same problem.

My Smart UPS BR1500 120V not recognizes AC; In Powerchute (Windows) i see AC power as 128V; Sensibility is set to LOW.

After power ON, GREEN LED (ON LINE) blinks six times while YELLOW LED (BATTERY) is solid. In a few seconds it goes to battery mode and GREEN LED if off.

Only operates at battery mode. I got a test on AC POWER LINE using Fluke meter and it is OK.

Thanks for any help

Alex

BillP
Administrator Administrator
Administrator
0 Likes
0
194

Re: No AC after changing battery in Back-UPS RS 1500

This reply was originally posted by Shanon on APC forums on 12/8/2016


Hello Alexandre,

I am sorry that you are having an issue.

I am a little confused about exactly what model you have, the BR1500 is an older model Back-UPS, which does not have sensitivity settings. Do you have a BR1500G? What is the serial number?

Typically, 128V is a little high, but if you have sensitivity set to low, then it should be fine. Also, depending on the model, it is also too low for the AVR trim to turn on. 

Do you know what voltage the fluke measured incoming voltage as?

Thanks,
Shanon