Powerware 9170 User Manual page 114

Troubleshooting
When this happens, follow these steps:
1.
NOTE
switches the display between alarm messages. To silence the audible
alarm, press button (A) below the display.
2.
Table 22 contains descriptions of critical alarm messages. Critical alarms
require immediate operator attention and corrective action.
Table 22. Critical Alarm Messages
Alarm Message
A Low Battery The UPS has shut down after
running on battery and
discharging the batteries.
C High Battery The battery voltage is too high
because of a charger problem,
battery problem, or incorrect
parameter setting.
E Low AC Output The UPS has shut down because
the AC output voltage is too low
to provide power to the load.
F High AC Output The UPS has shut down because
the AC output voltage is too high.
S High AC Input The AC input voltage is too high;
any further increase to the voltage
may damage the UPS.
G Output Overload The load is requiring more power
than the UPS power modules are
capable of supplying, and the UPS
has switched to Bypass mode.
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Observe the display to see which alarm is active.
To find out if more than one alarm is active, press . This
Find the alarm message in Table 22 or Table 23 and follow the
instructions to resolve the problem. To clear an alarm after
resolving the problem, press button (B) below the display. If the
problem is still present, the alarm will sound again after a short
delay.
What It Means
Wait for AC input power to be restored. When
AC input power returns, the UPS begins
recharging batteries and applies power to the
load.
Contact your service representative.
Contact your service representative.
Contact your service representative.
This alarm automatically clears when input
voltage returns to normal limits. The UPS will
continue to support the load until the batteries
are depleted.
Switch off your equipment one piece at a time
until the alarm stops.
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Powerware 9170 UPS User's Guide
®
What to Do
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