Troubleshooting; Guide To Status Indicators - Liebert 500-650 VA User Manual

T
ROUBLESHOOTING
The information below indicates various symptoms a user may
encounter in the event the PowerSure PST experiences a problem. Use
this information to determine whether external factors caused the
problem. See Troubleshooting Chart for suggested remedy.
Fault
Indicator
Indicator

Guide to Status Indicators

Fault
(Red)
!
Normal Mode
—
—
Flashing
ON
Flashing
ON
Battery Mode
—
—
Flashing
ON
1. The Fault Indicator illuminates, indicating
the UPS detected a problem.
2. An alarm sounds, alerting that the UPS
requires attention. The alarm can be
silenced except for low battery and overload
warning conditions.
Mains/
3. Mains/Battery Indicator may be illuminated
Battery
as a diagnostic aid to the operator, as shown
below:
Mains/Battery
(Green)
-
+
ON
Flashing
ON
ON
—
—
Flashing
Flashing
Flashing
Flashing
Diagnosis/
Audible Alarm
UPS is operating in Normal Mode; no
beep.
Battery Test has been initiated; no
beep.
The unit is overloaded; beep every
half-second
The UPS has failed; continuous beep
Unit has shutdown due to overload;
continuous beep
The UPS shutdown due to failure;
continuous beep
The UPS is operating in Battery mode;
beep every 5 seconds.
UPS battery is low; beep every
half-second
The unit is overloaded; beep every
half-second
The UPS has failed; continuous beep
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