PowerWalker VFI 6000LE Plus User Manual

Page 29

4.2 Typical Trouble Shooting

(1) Trouble shooting according to warning indication.

LED

1-3

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.