15
TROUBLESHOOTING
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.

Guide to Status Indicators

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.
3.Mains/Battery Indicator may be illuminated
as a diagnostic aid to the operator, as shown
below:
Fault
(Red)
Mains/Battery
(Green) Diagnosis/
Audible Alarm
Normal Mode
—ON
UPS is operating in Normal Mode; no
beep.
Flashing Battery Test has been initiated; no
beep.
Flashing ON The unit is overloaded; beep every
half-second
ON ON The UPS has failed; continuous beep
Flashing — Unit has shutdown due to overload;
continuous beep
ON — The UPS shutdown due to failure;
continuous beep
Battery Mode
Flashing The UPS is operating in Battery mode;
beep every 5 seconds.
Flashing UPS battery is low; beep every
half-second
Flashing Flashing The unit is overloaded; beep every
half-second
ON Flashing The UPS has failed; continuous beep
Fault
Indicator
Mains/
Battery
Indicator
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