Troubleshooting
106
Powerware
®
9170
+
UPS User’s Guide S Rev B www.powerware.com
When this happens, f ollow these steps:
1. Observe the display to see which alarm is active.
NOTE To find out if more than one alarm is active, press .This
switches the display between alarm messages. To silence the audible
alarm, press button (A) below the display.
2. 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.
Table 22 contains descriptions of critical alarm messages. Critical alarms
require immediate operator attention and corrective action.
Table 22. Critical Alarm Messages
Alarm Message What It Means What to Do
A Low Battery The UPS has shut down after
running on battery and
discharging the batteries.
Wait for AC input power to be restored. When
AC input power returns, the UPS begins
recharging batteries and applies power to the
load.
C High Battery Thebatteryvoltageistoohigh
because of a charger problem,
battery problem, or incorrect
parameter setting.
Contact your service representative.
ELowACOutput The UPS has shut down because
the AC output voltage is too low
to provide power to the load.
Contact your service representative.
FHighACOutput The UPS has shut down because
the AC output voltage is too high.
Contact your service representative.
S High AC Input The AC input voltage is too high;
any further increase to the voltage
may damage the UPS.
This alarm automatically clears when input
voltage returns to normal limits. The UPS will
continue to support the load until the batteries
are depleted.
GOutputOverload The load is requiring more power
than the UPS power modules are
capable of supplying, and the UPS
hasswitchedtoBypassmode.
Switch off your equipment one piece at a time
until the alarm stops.