4.Troubleshooting
If the UPS system does not opérate correctly, please solve the problema 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 the warning
code
flash on LCD display.
Alarm is sounding every 2
seconds.
EPO function is activated.
Set the circuit in closed
position to disable EPO
function.
The icons of
and
flash
on LCD display and alarm is
sounding every 2 seconds.
Line and neutral conductors of
UPS input are reversed.
Rotate mains power
socket by 180° and then
connect to UPS system.
The icons of
and
flashes on LCD display and
alarm is sounding every 2
seconds.
The external or internal battery is
incorrectly connected.
Check if all batteries are
connected well.
Fault code is shown as 27 and
the icon
is lighting on LCD
display. 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
is lighting on LCD
display. Alarm is continuously
sounding.
Battery voltage is too low or the
charger is fault.
Contact your dealer.
The icons of
and
flash on
LCD display and alarm is
sounding 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 49 on
LCD display and alarm is
continuously sounding.
UPS is overinput current.
Remove excess loads
from UPS output.
Fault code is shown as 43 and
the icon
is lighting on LCD
display. 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.
Summary of Contents for UPO11-1RT
Page 14: ...2 Battery kit 3 Battery kit...
Page 15: ...4 Battery kit 5 Battery kit...
Page 17: ......
