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![]() Frequency distortions are most commonly caused by generators that are undersized. If the Frequency deviates + or - 5 % this will also cause a Back-UPS product to transfer to battery power. Please see the help section of the APC management software for instructions to do this. If your unit shipped with APC management software it may be possible to change the default acceptable voltages that the unit shipped with. The UPS is trying to provide clean, safe, and reliable power. ![]() Occasional transfers to On Battery should not be a matter of concern, but rather, should be considered normal operation. Please refer to the technical specification section of your user manual for the acceptable voltage window. The alarm will stop once the unit returns to On Line operation. If the input voltage is determined to be unsafe for your computer equipment, the UPS will transfer to On Battery. 4 Beeps Every 30 Seconds (the amber On Battery LED will be illuminated).(Not available on all Back-UPS Models)ġ.) The Back-UPS product is operating on battery power The Replace Battery LED is a WARNING that the battery may be near the end of its life, and replacement is typically recommended within 2-4 weeks.ĥ.) Disabling UPS audible alarm tones - When using the PowerChute Personal Edition software, the UPS audible alarm tones can be disabled. If the battery fails the self-test, the "Replace Battery" LED will illuminate. Ĥ.) Unit failed a self-test - Most Back-UPS products perform an internal self-test every 14 days, checking the integrity of the battery. To determine if your UPS is capable of handling the equipment you want to protect, visit APC's UPS Selector. The alarm will remain until the load is reduced. If this alarm is sounded, try removing non-essential equipment. If you hear this tone, you should immediately gracefully shut down your operating system to prevent data loss or corruption.ģ.) Capacity Overload - This alarm indicates that the UPS has detected an Overload condition. With optional APC management software, 2 minutes can be changed to give you more of a warning of impending shutdown. To warn you that the unit will soon shut down, the UPS will sound this alarm 2 minutes before the actual shutdown. In order to protect the unit's batteries from discharging too much, the UPS will shut down and turn off its output. The UPS can only operate on battery for a limited amount of time. The Battery Power Supplied outlets are now battery-powered.Ģ.) The Back-UPS product has entered a low battery condition - This alarm indicates that the UPS has reached a Low Battery condition and will soon shut down. Please refer to your Back-UPS user manual for the complete list of audible tones.ġ.) The Back-UPS product is operating on battery power - This alarm indicates that the UPS has transferred from On Line operation to On Battery operation. Below is a partial list of audible indicators and possible meanings. ![]() This means that the UPS is protecting the load. An occasional single beep from the UPS is normal UPS operations. ![]() Therefore, in order to provide proactive warnings of changing UPS and power conditions to users, APC's UPSs have audible tones. UPSs are generally installed and placed in places not easily seen by a user (i.e., under a desk, in a wiring closet, etc). Additional Management Cards and Options.NetShelter Wall (Mounted) Transfer SwitchesĮcoStruxure Service Plan for Three-Phase UPSĮxtended Warranties - Critical Power & Cooling NetShelter Shelving & Mounting Accessories ![]() Sensors / Cameras / Licenses / Accessories Uniflair Ceiling Mounted Split Room Cooling ![]()
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