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Chapter 7. Troubleshooting and maintenance
Alarms and faults
To check the Event log or Fault log:
1. Press any button on the front panel display to activate the menu options.
2. Press the
3. Press Enter (
4. Scroll through the listed events or faults.
The following table describes conditions that are logged.
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button to select Event log or Fault log.
) to review the selected log.
Conditions
Possible cause
The UPS does not recognize the
Batteries disconnected
internal battery packs.
The battery packs are not
connected.
Power requirement exceeds the
Overload
UPS capacity (greater than 105 %
of nominal).
The battery has reached
End of battery life
end-of-life.
Event
A UPS event occurs.
Example: During remote Power
off, the RPO contact has been
activated to shut down the UPS
and now prevents restart.
An internal failure occurred.
UPS fault
Action
If the condition persists, contact
your service representative.
Verify that all battery packs are
connected properly. If the
condition persists, contact your
service representative.
Remove some of the equipment
from the UPS. The UPS
continues to operate, but it
might shut down if the load
increases. The alarm resets when
the condition becomes inactive.
Contact your service
representative for battery-pack
replacement.
Set the contact back to its normal
position and press the power (
) button to restart.
Record the alarm message and
the UPS serial number, then
contact your service
representative.
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