21
3 Operation
Vertiv™ | Liebert® PSI5 120V Input / 120V Output & 208V lnput / 208V Output Installer/User Guide
3.3 Audible-Tone Indicators
Table 3-3 Tones and Beeps of the UPS
TYPE
INDICATES
1 beep every 10 seconds
Battery mode
1 beep every second
Overload warning
1 beep every 2 seconds
Low-battery warning
Other warning
Constant, solid tone
Fault
1 beep
Power On
Battery self-test
Button press
1 long tone
Power off
3.4 Warnings
The UPS has early warning indicators that allow the UPS to function normally for a short period before the
outputs are shut off.
Table 3-4 Warning Indicators and Actions
ITEM
DESCRIPTION
TROUBLESHOOTING
Battery low
Charge the UPS battery for at least 12 hours or replace the battery; see
Replacing the UPS
Batteries
on
page 27
.
Overload
Reduce the load to below the rating indicated in the
Specifications
on
page 31.
Site wiring fault
Turn of the UPS and call an electrician to correct the wiring. Possible causes are that the Iine
and neutral are reversed or that there is no ground conductor.
Over temperature
Call Vertiv
TM
customer support, 1-800-222-5877.
Charger failure
Call Vertiv
TM
customer support, 1-800-222-5877.
Battery fault
Charge the UPS battery for at least 12 hours or replace the battery; see
Replacing the UPS
Batteries
on
page 27
.