LEGRAND Keor SPE Serie Manual Del Usuario página 52

5. Troubleshooting
INDICATION
The UPS works on battery
mode even though the mains
power is available
Continuous sound alarm sound
with the UPS working in normal
mode
The UPS is working
normally but the loads are
not powered
The UPS does not operate
correctly in battery mode: it
shuts down immediately or the
backup time is greatly reduced
Strange noise or smell
POSSIBLE CAUSE
The input fuse blew
up
The mains power
supply socket is not
supplying power to
the UPS
The input cord is not
properly connected
Mains out of the
allowed UPS input
range
Overload
-
The UPS worked in
stored energy mode
till the end of
operation
The UPS has not
been used for many
months
The battery has run
down due to being
used frequently, to
ambient conditions,
or to having
exceeded its
average service life
UPS fault
KEOR TOWER SPE
Installation and User Manual
SOLUTION
Replace the fuse with a new one
Check if the UPS works on
another socket.
If so, have the first mains power
supply socket checked by a skilled
technician.
Check that the input cord is
properly connected to the inlet and
to the mains socket
A skilled technician should check
the mains
Disconnect some non-critical loads
from the UPS outlets until the
overload ceases
Check that all power cords are
properly connected to the outlets
and to the load.
If the problem persists, contact the
LEGRAND Technical Support
Service
Recharge the batteries for at least
8 hours by connecting the UPS to
the mains
Recharge the batteries at least 8
hours by connecting the UPS to
the mains. If the batteries are no
longer working, contact a skilled
technician to replace them.
Contact a skilled technician or the
LEGRAND Technical Support
Service to replace the batteries
Shut down immediately the UPS.
Unplug the UPS from the mains
socket and contact the LEGRAND
Technical Support Service
53