LEGRAND LG-310332 Bedienungsanleitung Seite 26

INDICATION
Alarm LED ON
Intermittent alarm sound
with the UPS working in
normal mode
The UPS doesn't work
in stored energy mode
or the backup time is
shorter than its intended
performance
The UPS is working
normally but the loads are
not powered
The UPS works on battery
mode even though the
mains power is available
Strange noise or smell
26
POSSIBLE CAUSE
UPS fault
Overload
Low battery or battery
fault
-
The UPS fuse blew up
The mains power supply
socket is not supplying
power to the UPS
UPS fault
5 Troubleshooting
SOLUTION
Remove the loads from the UPS outlets.
Turn off the UPS and disconnect it from
the mains. Connect the UPS to the
mains and turn on again.
If the problem persists, contact the
LEGRAND Technical Support Service.
Disconnect some non-critical loads
from the UPS outlets until the overload
ceases
If the backup time remains
unsatisfactory after 8 hours of battery
charging, contact the LEGRAND
Technical Support Service
Check that all power cords are properly
connected.
If the problem persists, contact the
LEGRAND Technical Support Service.
Replace the fuse with a new one
Check that the UPS works on another
socket. If so, have the initial mains
power supply socket checked by a
qualified electrician.
Shut down immediately the UPS.
Unplug the UPS from the mains socket
and contact the LEGRAND Technical
Support Service.