Liebert PSITM - Manual (Page 28)

Troubleshooting
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11.0 T
ROUBLESHOOTING
The information below indicates various symptoms a user may encounter in the event the PowerSure
PSI experiences a problem. Use this information to determine whether external factors caused the
problem. See Table 2 - Troubleshooting chart for suggested remedy.
1. An alarm sounds, alerting that the UPS requires attention. The alarm can be silenced except for
low battery, overload warning and over-temperature warning conditions.
2. One or more additional indicators will be illuminated to provide a diagnostic aid to the operator,
as described below:
Figure 19 Status indicators
If the UPS fails to operate properly, turn Off the unit and repeat the steps in 5.0 - Installation. If the
problem persists, refer to Table 2:
All indicators illuminated
for illustrative purposes only.