Issue:
UPSs are generally installed and placed in places not easily seen by a user (i.e., under a desk, in a wiring closet, etc). Therefore, in order to provide proactive warnings of changing UPS and power conditions to users, APC's UPSs have audible tones. An occasional single beep from the UPS is normal UPS operations. This means that the UPS is protecting the load. Below is a partial list of audible indicators and possible meanings. Please refer to your Back-UPS user manual for the complete list of audible tones.
Product Line:
All Back-UPS Families
Cause:
1.) The Back-UPS product is operating on battery power - This
UPSs are generally installed and placed in places not easily seen by a user (i.e., under a desk, in a wiring closet, etc). Therefore, in order to provide proactive warnings of changing UPS and power conditions to users, APC's UPSs have audible tones. An occasional single beep from the UPS is normal UPS operations. This means that the UPS is protecting the load. Below is a partial list of audible indicators and possible meanings. Please refer to your Back-UPS user manual for the complete list of audible tones.
Product Line:
All Back-UPS Families
Cause:
1.) The Back-UPS product is operating on battery power - This