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powerchute

Posted on 2004-11-15
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Last Modified: 2012-08-07
Hello I have been fighting a power chute issue, and have a new ups, and a new cable, I connected to the web iterface, and it now says AVR Trim Active what does this mean? also what are the recomended setups for this. Thank you in advance
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Question by:eberhardt2329
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by:ShineOn
ID: 12586591
That's definitely a Powerchute question.  Too bad APC's tech support for Powerchute sucks so badly.

AVR is Automatic Voltage Regulation.  

AVR Trim means, to me, that the UPS is handling an overvoltage condition on your AC line.
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ShineOn earned 2000 total points
ID: 12586617
If it said "AVR Boost Active" that would mean it's handling an undervoltage condition.   It seems to be a normal message, and if it never goes away it means you probably have a problem with the power circuit that the UPS is plugged into, and should call an electrician.
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by:BeefHARD
ID: 12731784
This is what I found...

A Smart-UPS, Back-UPS Pro, or PowerStack has been using its AVR Trim feature to decrease a high input voltage continuously for at least one hour. This may indicate that the quality of the input voltage provided to the UPS needs to be improved.

The following conditions change this status:


The input voltage returns to normal (No Longer Extended Overvoltage event).


The input voltage becomes too high to be safely decreased (Power Failed event).

Recommended Action:
Make sure that the Upper Bypass Limit is set to its highest setting, and that the Sensitivity setting is set to Low (Power Parameters (smart-signaling UPS only) in the Device Properties Dialog Box). These settings, which are the default settings for these parameters, cause the UPS to use its AVR Trim feature less frequently, and for shorter periods of time.

If the default settings are already being used, or the UPS supports equipment that is too sensitive to input-power quality to use those settings, contact APC (http://www.apc.com/support/service) for information about how to improve the quality of the UPS input power.
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