34
USER MANUAL
NEOLINE
PLUS
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1/1
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1-3 kVA
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ONLINE UPS
34
4. Troubleshooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom
Possible cause
Remedy
No indication and alarm even
though the mains is normal.
The AC input power is not connected
well.
Check if input power cord firmly con-
nected to the mains.
The AC input is connected to the
UPS output.
Plug AC input power cord to AC input
correctly.
The icon and
flashing on LCD display and
alarm is sounding every
second.
The external or internal battery is
incorrectly connected.
Check if all batteries are connected well.
Fault code is shown as 27 and
the icon
BATT. FAULT
is lighting
on LCD display and alarm is
continuously sounding.
Battery voltage is too high or the
charger is fault.
Contact your dealer.
Fault code is shown as 28 and
the icon
BATT. FAULT
is lighting
on LCD display and alarm is
continuously sounding.
Battery voltage is too low or the
charger is fault.
Contact your dealer.
The icon and
OVER LOAD
is
flashing on LCD display and
alarm is sounding twice every
second.
UPS is overload.
Remove excess loads from UPS output.
UPS is overloaded. Devices connect-
ed to the UPS are fed directly by the
electrical network via the Bypass.
Remove excess loads from UPS output.
After repetitive overloads, the UPS
is locked in the Bypass mode. Con-
nected devices are fed directly by
the mains.
Remove excess loads from UPS output
first. Then shut down the UPS and
restart it.
Fault code is shown as 43 and
the icon
OVER LOAD
is lighting
on LCD display and alarm is
continuously sounding.
The UPS shut down automatically
because of overload at the UPS
output.
Remove excess loads from UPS output
and restart it.
Fault code is shown as 14 and
the icon
SHORT
is lighting
on LCD display and alarm is
continuously sounding.
The UPS shut down automatically
because short circuit occurs on the
UPS output.
Check output wiring and if connected
devices are in short circuit status.
Summary of Contents for NEOLINE PLUS 1102ST
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