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5. Maintenance
5.1 Troubleshooting
Operation status Possible cause Action
Overload
Power requirement exceeds the
UPS capacity (greater than 105 % of
nominal).
Remove some of the equipment
from the UPS. The UPS continues
to operate, but may shutdown
if the load increases.The alarm
resets when the condition becomes
inactive.
Site wiring fault A Site Wiring Fault has occurred.
The outlet that the UPS is plugged
into is not properly grounded or
properly wired.
Have a qualified electrician correct
the wiring.
Short-circuit fault
A short-circuit occurred. Check device connection or
integrity.
If error persists, note the alarm
message and the UPS serial
number, and then contact your
service representative.
Battery fault
The batteries in the UPS are
disconnected.
Verify that all batteries are properly
connected.
If error persists, note the alarm
message and the UPS serial
number, and then contact your
service representative.
The end of battery life is reached. Contact your service representative
for battery replacement.
Fan fault
The UPS has a fan fault. Check that no object is blocking the
fan.
If error persists, note the alarm
message and the UPS serial
number, and then contact your
service representative.
Charger fault
The UPS has a charger fault. The UPS does not charge the
battery anymore.
Note the alarm message and
the UPS serial number, and then
contact your service representative.
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