Utility power is normal
but UPS supplies backup
power.
When power fail, UPS
backs up but when power
return to normal, UPS still
supplies backup power.
UPS is normal but over-
load indicator is on
LINE indicator is off. AUTO
BYPASS and BATTERY
LEVEL are blink and alarm
sound alarms twice.
LINE indicator is slow
blink. AUTO BYPASS is
blink and alarm sound
alarms twice.
Check power cord whether it is
properly plug in at both wall out-
let and input socket.
Turn off loads and wait until
utility voltage is normal. Then,
turn on UPS and loads.
Unplug some of the loads until %
load is about 75% (the rest 25% is
saving for some loads which may
draw high current when operate)
Press ALARM SILENCE button to
mute alarm sound and then turn
off loads before UPS shuts down.
Press ALARM SILENCE button to
mute alarm sound and then turn
off loads before UPS shuts down.
When power return to normal,
turn it on again.
Power cord does not
plug in properly
Utility voltage is too low
Loads connected to UPS is
more than 100% UPS
capacity
Utility voltage is too low or
black out
Utility voltage is too low.
5.2.2 Under power failure conditions (DC start) :
Press the POWER OFF button for 0.5 seconds then release. All indicator lights
will be off.
- 10 -
TROUBLESHOOTING
Problem
Cause
Solution
- 11 -
Pree ALARM SILENCE to mute
alarmsound and then turn off
loads. When power returns to
normal,turn it on again.
Turn off loads and UPS. When
power returns to normal, turn it
on again.
Turn off UPS and then turn it on
again. If the problem is still there,
contact us or our nearest service
center.
Problem
Cause
Solution
LINE indicator blinks fast.
AUTO BYPASS is blink and
alarm sound alarms twice.
LOW BATTERY indicator
blinks fast and alarm
sound alarm continuously.
FAULT indicator is on and
alarm sound alarms
continuously.
Utility voltage is too high.
Battery are almost run out
of power.
There is something abnor-
mal inside the UPS.
If the UPS does not operate properly and you cannot solve the problem using the
troubleshooting information in this users manual, please contact your LEONICS local
distributors, LEONICS Service Center, send e-mail to [email protected] or visit
www.leonics.com.
CUSTOMER SUPPORT
8.1 Leonics UPS does not need any special maintenance. Just only use it according to
this user’s manual and place it away from dusty and humid area. Anyway, if any of
following items are is occurred, please contact us or our nearest service center
8.1.1 Cable is cut or damaged
8.1.2 Wet with any liquids
8.1.3 UPS metal cabinet is broken
8.1.4 UPS is dropped, fallen, crashed or hit
MAINTENANCE