6
ENGLISH
Table 2: Audible Beeps
Number of Beeps
What It Means
1 every 5 seconds
Line Loss: The unit is on battery power. See Table 3 for more information.
2 every 5 seconds
Low Battery Alarm: The unit was running on battery power and shut down
due to very low battery voltage. The unit will restart automatically
when acceptable power returns.
Continuous
1 beep every half-second
3 every 5 minutes
3 every 5 seconds
UPS fault: Phone Best Power’s Worldwide Service.
Output Overload: The unit is overloaded.
Battery Undercharged: While on line operation, low battery voltage indicates
that the battery will provide minimal backup time.
Replace the Battery: The battery needs to be replaced. See “Replacing the
Battery” on page 8.
Symbols and LEDs
What It Means
Steady: Acceptable input power is present; the unit is running on
line power.
Blinking: Input power is not acceptable; the unit is running on
battery power. See Table 3 for more information.
Off: No input power is present and the battery is exhausted, or the
unit is switched off.
Blinking: The unit is overloaded or has failed the battery test.
Steady: UPS fault.
Table 1: Symbols and LEDs
_
OPERATING
(Green)
!
FAULT
(Red)
Symbols, LEDs and Audible Beeps
The front panel LEDs and an audible beep indicate the unit status. The unit beeps whenever the
unit is on battery power or an alarm is present. See Table 1 for information on the purpose of the
LEDs and Table 2 for information on beep coding.
