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Troubleshooting
Table 12. Troubleshooting Guide (Continued)
Alarm or Condition
Battery test failed
The UPS does not start.
Power is not available at the UPS output
receptacles.
The UPS does not provide the expected
backup time.
9 9 . . 2 2
S S i i l l e e n n c c i i n n g g t t h h e e A A l l a a r r m m
Before silencing an alarm, check the alarm condition and perform the applicable action to resolve the condition
(see
Table
To silence the alarm for an existing fault, press any button on the front panel display. If the alarm status
changes, the alarm beeps again, overriding the previous alarm silencing.
82
Eaton 9155 UPS (8–15 kVA) User's Guide 164201553—Rev H0
12).
Possible Cause
The batteries need service.
The main utility breaker is off.
If an optional isolation transformer is
installed, the input circuit breaker is off.
The remote emergency power-off (REPO)
switch is active or the REPO connector is
missing.
The UPS is in Standby mode.
The batteries need charging or service.
Battery circuit breakers are in the OFF
position.
Action
Ensure the airflow around the UPS is not
restricted.
If the alarm disappears, turn the
maintenance bypass switch back to the
UPS position (or restart the UPS if you do
not have a switch).
If the condition persists, contact your
service representative.
Contact your service representative.
Verify that the main utility breaker is on.
Verify that the isolation transformer input
circuit breaker is on.
Reset the REPO switch and restart the
UPS. Verify that the REPO connector is
present.
Supply power to the connected
equipment: Press any button on the front
panel display to activate the menu
options. Press the
button on the front
panel display and then press the
button to select the TURN UPS ON/OFF
menu. Press the
button to select the
TURN UPS ON option; press the
button. Press and hold the
for three seconds, until the UPS stops
beeping.
Apply utility power for 48 hours to charge
the batteries. If the condition persists,
contact your service representative.
Switch all battery circuit breakers to the
ON position.
button
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