19
6.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
connected 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
or 28
and the
icon
is lighting on LCD display
and alarm is continuously sounding.
Battery voltage is too high/low or
the charger is fault.
Contact your dealer.
The icon
and
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
connected 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.
Connected 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
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
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.
Fault code is shown as 0
1,
02, 03, 04, 11,
12, 13, 41 and 45 on LCD display and alarm
is continuously sounding.
A UPS internal fault has occurred.
There are two possible results:
1. The load is still supplied, but
directly from AC power via bypass.
2. The load is no longer supplied
by power.
Contact your dealer
Battery backup time is shorter than
nominal value
Batteries are not fully charged
Charge the batteries for at least 5
hours and then check capacity. If
the problem still persists, consult
your dealer.
Batteries defect
Contact your dealer to replace the
battery.
Warning code ”
“ is displayed in LCD
panel when turn on.
The internal temperature is too
high.
1.
Temperature sensor problem.
Please contact your dealer.
2.
Wait until internal
temperature cool down. Then,
turn on the UPS again.
