TROUBLESHOOTING
EATON
Powerware
®
BladeUPS
®
(12 kVA) User's Guide
S
164201649 Rev 3
www.powerware.com
120
Action
Possible Cause
Alarm or Condition
Battery Breaker
LED is on.
1 beep every 3 seconds.
The UPS does not recognize the
internal batteries.
Verify the UPS battery circuit breaker is in the
ON (|) position. If the condition persists, contact
your service representative.
On Bypass
LED is on.
1 beep every 3 seconds.
The UPS is in Bypass mode.
The equipment transferred to bypass utility power.
Battery mode is not available and your equipment is
not protected; however, the utility power continues
to be passively filtered by the UPS. Check for one of
the following alarms: overtemperature, overload,
UPS failure, hot swap, or remote emergency
power-off (REPO).
Bypass Unavailable
LED is flashing slowly.
1 beep every second.
Bypass is not available because
the UPS may be receiving
bypass utility power that may be
unstable or in brownout
conditions.
Check the bypass utility. The UPS continues to
supply power to your equipment. Check for one of
the following alarms: bypass over or under voltage,
bypass over or under frequency, or bypass
unavailable.
Battery Connection
LED is on.
1 beep every 3 seconds.
The UPS does not recognize the
internal batteries.
If the condition persists, contact your service
representative.
Two or more battery trays are
disconnected.
Verify that all battery trays are fully seated and
locked in place. If the condition persists, contact
your service representative.
Overload
LED is on.
1 beep every 3 seconds.
Power requirements exceed the
UPS capacity (greater than
100% of nominal; see page 116
for specific output overload
ranges).
Remove some of the equipment from the UPS. The
UPS continues to operate, but may switch to
Bypass mode if the load increases. The alarm
resets when the condition becomes inactive.
Overtemperature
LED is on.
1 beep every 3 seconds.
The UPS internal temperature is
too high or a fan has failed.
Shut down the UPS. Clear vents and remove any
heat sources. Allow the UPS to cool. Ensure the
airflow around the UPS is not restricted. Restart the
UPS. If the condition persists, contact your service
representative.
Site Wiring Fault
LED is on.
1 beep every 3 seconds.
Ground wire connection does
not exist, or the line and neutral
wires are reversed in the wall
outlet.
Have a qualified electrician correct the wiring.
