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cycling between online and on battery

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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kiriakosmp_apc
Crewman
Crewman
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213

cycling between online and on battery

This was originally posted on APC forums on 1/9/2014


i have APC UPS BACK-UP RS 800. After chance my batteries i take a continue cycling between "online" & "on battery" with a "BiP" and a switch sound. how can i solve it?

thank you.


Accepted Solutions
BillP
Administrator Administrator
Administrator
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0
213

Re: cycling between online and on battery

This reply was originally posted by Angela on APC forums on 1/10/2014


I agree - I don't know why you'd need to change the sensitivity...

Well, you could get the software working with a cable and see what it says i.e. if you raise the sensitivity again and see what it says is the transfer reason (assuming it goes back to battery only operation).

Glad it worked smile

See Answer In Context

7 Replies 7
BillP
Administrator Administrator
Administrator
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213

Re: cycling between online and on battery

This reply was originally posted by Angela on APC forums on 1/9/2014


The first thing I would ask is do you have a USB cable connected to this? If so, remove it and see if any change. I'd also try it in a different physical location at least - different location in a household or company maybe? Or a completely different site.

If you do have the PowerChute software, you can try looking at it to see if the voltage is low or high or what it reports as the transfer reason to battery. The sensitivity setting could also be lowered via the software too.

Depending on what you can do, you can re-order these steps and try what is easiest for you first.

kiriakosmp_apc
Crewman
Crewman
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213

Re: cycling between online and on battery

This was originally posted on APC forums on 1/9/2014


many thx for the reply

I not have USB cable connected. I have try it in different physical location and different place and the same problem stil up after the first 5 boot sec.i ma waiting to see next steps.

BillP
Administrator Administrator
Administrator
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213

Re: cycling between online and on battery

This reply was originally posted by Angela on APC forums on 1/9/2014


An option might be to adjust the sensitivity then, just to see.

What is the exact SKU of the UPS off the white sticker on the back or bottom? Then I can tell you how to change the sensitivity. Depending on the model, it can be done with, our without software.

The software though may be helpful in providing diagnostics and tell us why this is happening. Do you have the USB cable available?

kiriakosmp_apc
Crewman
Crewman
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213

Re: cycling between online and on battery

This was originally posted on APC forums on 1/9/2014


the model in sticker is 800i BR . I not have availble the USB cable but i can make one if see the pins. The other i see is when i disconnective from power the mode stay in "on battery" with 4"bip" (normal status for DC). i try it again in different place and do again the same frowni meter the voltage and is normal 230V AC.

BillP
Administrator Administrator
Administrator
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213

Re: cycling between online and on battery

This reply was originally posted by Angela on APC forums on 1/9/2014


The cable is proprietary but you may find another resource with the pinout that I cannot provide here. This is the cable you'd be looking for -> Buy UPS Communications Cable Simple Signalling - USB to RJ45 - Technical Specifications and Informat...

It could be that the UPS thinks there is no input voltage but there really is - I am not sure. The software could read that information.

From the sounds of it, changing sensitivity may not work but it could be worth a try. I think you can change it via the front panel button on this model.

Refer to page 2 here -> http://www.apcmedia.com/salestools/ASTE-6Z7V5B/ASTE-6Z7V5B_R0_EN.pdf and the "TRANSFER VOLTAGE AND SENSITIVITY ADJUSTMENT" and see if adjusting it to low does anything. You can do that before figuring out a USB cable.

kiriakosmp_apc
Crewman
Crewman
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213

Re: cycling between online and on battery

This was originally posted on APC forums on 1/9/2014


Angela many many thx chance sensitivity to LOW(YELLOW FLASH) is work perfect at the moment. Still need to load bateries and put it in use again.

Thx for ur help smileI still be in confuse why need chance setup but thats not problem).

BillP
Administrator Administrator
Administrator
0 Likes
0
214

Re: cycling between online and on battery

This reply was originally posted by Angela on APC forums on 1/10/2014


I agree - I don't know why you'd need to change the sensitivity...

Well, you could get the software working with a cable and see what it says i.e. if you raise the sensitivity again and see what it says is the transfer reason (assuming it goes back to battery only operation).

Glad it worked smile