User's Manual

3.4 Audible-tone Indicators
TYPE INDICATES
1 beep every 10 seconds Battery mode
2 beeps every second UPS warning
2 beeps every 5 seconds Low-battery warning
3 beeps every 30 seconds Replace-battery warning
Constant, solid tone UPS fault
3-second tone followed by 2 beeps Power-on in battery self-test mode
1 long tone Power off
3 beeps Manual battery self-test
Table 3.3 Tones and Beeps of the UPS
3.5 Warnings
The UPS has three early-warning indicators that allow the UPS to function normally for a short period
before the outputs are shut-off.
ICON
DISPLAYED
AUDIBLE TONE DESCRIPTION SUGGESTED TROUBLESHOOTING
1 beep every second
Output-overload. The load devices
plugged-in to the UPS output are drawing
more power than the UPS rating.
Reduce the load to below the UPS rating in the specifications
table, see Specifications on page19.
Constant, solid tone
Site-wiringfault. Problem detected with the
outlet wiring to which the AC input of the
UPS is connected.
Power-off the UPS and contact an electrician to correct the
wiring. Possible causes are line and neutral are reversed or
there is no ground conductor.
3 beeps every 30
seconds
The battery is weak or damaged.
Charge the UPS battery for at least 12 hours, or replace the
battery, see Battery Replacement on page18.
Table 3.4 Warning Indicators and Actions
Vertiv | Liebert® PSA5™ Installer/User Guide
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