EN
4. Troubleshooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom
Check if input power cord firmly
connected to the mains.
Plug AC input power cord to AC input
correctly.
Set the circuit in closed position to
disable EPO function.
Possible cause Remedy
No indication and alarm even though
the mains is normal.
The icon and the warning
code flashing on LCD display and
alarm is sounding every second.
Rotate mains power socket by 180°
and then connect to UPS system.
The icon and flashing on LCD
display and alarm is sounding every
second.
The AC input power is not connected
well.
The AC input is connected to the UPS
output.
Remove excess loads from UPS
output.
The icon and is flashing
on LCD display and alarm is
sounding twice every second.
EPO function is activated.
Line and neutral conductors of UPS
input are reversed.
Check if all batteries are connected
well.
The icon and flashing on
LCD display and alarm is sounding
every second.
The external or internal battery is
incorrectly connected.
Contact your dealer.
Fault code is shown as 27 and the
icon 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 is lighting on LCD display
and alarm is continuously sounding.
Battery voltage is too low or the charger
is fault.
Remove excess loads from UPS
output.
Remove excess loads from UPS
output first. Then shut down the UPS
and restart it.
UPS is overload
UPS is overloaded. Devices connected
to the UPS are fed directly by the
electrical network via the Bypass.
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 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.
Check output wiring and if connected
devices are in short circuit status.
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.
Segurança e harmonia
ININTERRUPTA
45
Uninterruptible Power Supply
PH 9210 | PH 9220 | PH 9230 | PH 9260
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