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Page 21
614-03898-00_EN
ENGLISH
5. Maintenance
5.1 Troubleshooting
Operation status Possible cause Action
Batteries disconnected
The UPS does not recognize
the internal batteries
If the condition persists, contact
your service representative
The batteries are disconnected Verify that all batteries are properly
connected. If the condition persists,
contact your service representative.
Overload Power requirements 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.
End of battery life
The end of the battery life is
reached.
Contact your service representative
for battery replacement.
Event
An UPS event occurs
Example:
Remote Power OFF, the RPO
contact has been activated
to shutdown the UPS and now
prevents restart.
Set the contact back to its normal
position and press
button
to restart.
UPS fault
An internal failure occured with
the UPS
The UPS does not protect
the equipment anymore.
Note: The alarm message and
the UPS Serial Number, then contact
your service representative.
Troubleshooting a UPS equipped with the HotSwap MBP module
Indication Diagnostic Correction
1 The load is no longer supplied
when the rotary switch
33
on
the HotSwap MBP module is set
to Bypass position.
l The protected devices
are connected to the UPS
output instead of to the
HotSwap MBP module.
l The AC-power cord is
connected to the UPS input
instead of to the HotSwap
MBP module.
Check the wiring between
the UPS and the HotSwap MBP
module (see section 3.7).
2 The load is no longer supplied
when the rotary switch
33
on
the HotSwap MBP module is set
to Normal position.
l The UPS is shut down.
l The wiring between the
UPS and the HotSwap MBP
module is incorrect.
l Start the UPS.
l Check the wiring between
the UPS and the HotSwap
MBP module
(see section 3.7).
3 The load is no longer supplied
after AC-power fails.
l The rotary switch
33
on
the HotSwap MBP module
is set to Bypass position.
l The wiring between the
UPS and the HotSwap MBP
module is incorrect.
l Set the rotary switch
33
on
the HotSwap MBP module
to Normal position.
l Check the wiring between
the UPS and the HotSwap
MBP module
(see section 3.7).
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