Troubleshooting - LEGRAND KEOR SPE TOWER Series Installation And User Manual

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
56
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
-

5 Troubleshooting

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