Legrand KEOR PDU 800 ВА 8 IEC - Инструкция по эксплуатации - Страница 26

26

INDICATION

POSSIBLE CAUSE

SOLUTION

Alarm LED ON 

UPS fault

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.

Intermittent alarm sound 

with the UPS working in 

normal mode

Overload

Disconnect some non-critical loads

from the UPS outlets until the overload

ceases

The UPS doesn’t work 

in stored energy mode 

or the backup time is 

shorter than its intended 

performance

Low battery or battery 

fault

If the backup time remains 

unsatisfactory after 8 hours of battery 

charging, contact the LEGRAND 

Technical Support Service

The UPS is working 

normally but the loads are 

not powered

-

Check that all power cords are properly 

connected.

If the problem persists, contact the 

LEGRAND Technical Support Service.

The UPS works on battery 

mode even though the 

mains power is available

The UPS fuse blew up

Replace the fuse with a new one

The mains power supply 

socket is not supplying 

power to the UPS

Check that the UPS works on another 

socket. If so, have the initial mains 

power supply socket checked by a 

qualified electrician.

Strange noise or smell

UPS fault

Shut down immediately the UPS.

Unplug the UPS from the mains socket 

and contact the LEGRAND Technical 

Support Service.

5  Troubleshooting