Eaton Powerware 9355 - When to Replace Batteries; Recycling the Used Battery or UPS

TROUBLESHOOTING
EATON Powerware
®
9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev B www.powerware.com
88
ActionPossible CauseAlarm or Condition
The UPS does not start.
The main utility breaker is off. Verify that the main utility breaker is on.
The input circuit breaker is off. Verify that the UPS input circuit breaker is on.
The remote emergency power-off (REPO) switch
is active or the REPO connector is missing.
Reset the REPO switch and restart the UPS. Verify that the REPO
connector is present.
Power is not available at the
UPS output terminals.
The UPS is in Standby mode. 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 button for three
seconds, until the UPS stops beeping.
The UPS does not provide the
expected backup time.
The batteries need charging or service. Apply utility power for 48 hours to charge the batteries. If the
condition persists, contact your service representative.
The UPS does not provide the
expected backup time.
The battery circuit breakers are in the OFF
position.
Switch all battery circuit breakers to the ON position.
Check Parallel Board The UPS is not recognizing another parallel unit. From the UPS Status menu, select the Units on CAN Bus option
and verify that all UPSs appear in the list.
If any UPS is missing, verify the Powerware Hot Sync CAN Bridge
Card connections and recheck the status from the UPS front
panel.
If all U PSs appear in the list, check the pull-chain wiring (see
page 62).
Set the system to internal Bypass mode (see page 73).
If the condition persists, contact your service representative.
Abnormal output voltage at
startup
The UPS breaker on the Tie Cabinet was not
switched to the ON position properly.
Shut down the UPS where the alarm is indicated.
Switch the U PS breaker on the Tie Cabinet to the ON position.
Start up the UPS.
Select the System On option through the front panel of the UPS
that was turned off.
Selective Trip The Powerware H ot Sync CAN Bridge Card is
not wired correctly.
Verify the CAN wiring (see page 62).
Verify the pull-chain wiring (see page 62).
If the condition persists, contact your service representative.
Silencing the Alarm
Before silencing an alarm, check the alarm condition and perform the applicable action
to resolve the condition.
Press any button on the front panel display to silence the alarm. If the alarm status
changes, the alarm beeps again, overriding the previous alarm silencing.