Owner manual

26
4.2 Typical Trouble Shooting
(1) Trouble shooting according to warning indication.
LED
1-3 4 5 6
Possible cause Action
% %
%
%
Fan abnormal, or
internal temperature
is too high
Check the fans. Check the loads.
Check the ventilation, ambient
temperature.
% %
%
%
I/P fuse open
Check the I/P fuse and related
power component.
% %
% &
Battery low
abnormally or battery
not connected (line
mode), or battery
discharged over 14
hours
Check the battery. If the UPS is a
long back up model, check whether
the external battery protection
(breaker of fuse) is open. If the
battery is damaged or aged,
replace the battery.
% %
% &
Battery over voltage,
or charger failed
Check the charger output, battery
input.
%: Depended on the original display
%: Flash every second
&: Flash every 4 seconds
Note 1: when the UPS warning, the red Fault/Warning LED will flash, and the buzzer
will beep once every second.
Note 2: When the UPS warning, the UPS is still working on the original mode with
the original display except the inverter LED maybe flash.
Note 3: If the warning can’t be shoot, please contact the distributor or service center.