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LED blinking after power on

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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blackAces_apc
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Posted: ‎2021-06-29 08:07 PM

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Posted: ‎2021-06-29 08:07 PM

LED blinking after power on

This was originally posted on APC forums on 9/12/2009


hi guys
our SUA2200RMI2U ups have some issue, after i switch on the UPS all LED at the right side was blinking, then i turn it off, but when i unplug the power source and switch the ups on to battery mode the unit is working fine,
anyone can help for this issue...thanks in advance

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blackAces_apc
Commander blackAces_apc
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Posted: ‎2021-06-29 08:08 PM

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Posted: ‎2021-06-29 08:08 PM

This was originally posted on APC forums on 7/22/2013


Hi Jon

after 4 yrs, now again i encountered the same problem.., using the procedure i mention above still no lack.

Hoping for your reply once again 🙂

See Answer In Context

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BillP
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Posted: ‎2021-06-29 08:07 PM

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Posted: ‎2021-06-29 08:07 PM

This reply was originally posted by Jonathan on APC forums on 9/13/2009


Hello Hanz,

I would like to check the behavior of your UPS. The LEDs that you've mentioned are those that are on the right hand side of your UPS. For how long does it blink? Any changes you have made with that UPS, like adding a new load, replaced the battery or experienced a blackout? How old is your UPS by the way? This could be a case of what do we call as flashing battery bar graph.

Please feel free to read the knowledge base that discuss about why would the battery bar graph flash on a Smart-UPS --> [APC Knowledge Base ID 1497|http://nam-en.apc.com/cgi-bin/nam_en.cfg/php/enduser/std_adp.php?p_faqid=1497&p_created=1010390400&p...]

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blackAces_apc
Commander blackAces_apc
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Posted: ‎2021-06-29 08:07 PM

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Posted: ‎2021-06-29 08:07 PM

This was originally posted on APC forums on 9/14/2009


Hi Jonathan

we just change the battery the other day, the LEDs were blinking are Battery Bar, Overload, On-Battery and Battery Replacement.., first the ups was down and i try to power up and then the online LED was blinking the time the ups initiate it turns Blinking all LEDs at the right panel. the s/n: ys0402224978.
thanks in advance

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BillP
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Posted: ‎2021-06-29 08:07 PM

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Posted: ‎2021-06-29 08:07 PM

This reply was originally posted by Jonathan on APC forums on 9/16/2009


Hello Hanz,

Based from the LED indicators that you have mentioned, it looks like your UPS has encountered a fault. We can try to following steps to check if we can recover from that fault.

- Remove the load that are connected on the UPS and then turn the APC unit off.
- Unplug the UPS from the power source and then press and hold the OFF button until you hear a click or see all the LED indicators flashes once.

The procedure mentioned above is what do we call as brain dead, it cuts the remaining power that is present on the UPS circuitry i.e. capacitors.

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blackAces_apc
Commander blackAces_apc
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Posted: ‎2021-06-29 08:07 PM

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Posted: ‎2021-06-29 08:07 PM

This was originally posted on APC forums on 9/21/2009


Hi Jonathan

Thanks, the issue was resolve already...

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BillP
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Posted: ‎2021-06-29 08:08 PM

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Posted: ‎2021-06-29 08:08 PM

This reply was originally posted by Jonathan on APC forums on 9/21/2009


Hi Hanz,

It is good to hear that the issue was resolved already. Care to share what you have done?

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blackAces_apc
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Posted: ‎2021-06-29 08:08 PM

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Posted: ‎2021-06-29 08:08 PM

This was originally posted on APC forums on 9/22/2009


HI Jonathan

I just follow what you said, but i removed the battery and load for 1 day, then following day i power up the ups again everything back to normal. Thanks Jo

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blackAces_apc
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Posted: ‎2021-06-29 08:08 PM

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Posted: ‎2021-06-29 08:08 PM

This was originally posted on APC forums on 7/22/2013


Hi Jon

after 4 yrs, now again i encountered the same problem.., using the procedure i mention above still no lack.

Hoping for your reply once again 🙂

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