Njoy Horus Plus 1000, User Manual

Page: 12 / 28

12
Troubles and solutions 6
Problem Possible Cause Solutions
Nothing is
displayed on
LCD panel.
The UPS is not
switched on.
Press the power switch again
to turn on the UPS.
Battery voltage
is too low.
Charge the battery at least
6 hours.
Battery fault. Replace the battery.
The UPS is
always on
battery mode.
Power cord loose
or no mains
power.
Check mains power and re-
plug the power cord.
The UPS
continuously
beeps.
Please check the
fault code for the
details.
Please check the fault code
for the details.
Backup time
is too short.
Battery voltage
is too low.
Charge the battery at least
6 hours.
Overload.
Remove some unnecessary
loads. Before reconnecting
equipment, please verify
that the load matches the
UPS capability specified in
the specifications.
Battery fault. Replace the battery.