Page 26 09/2021
Installation and Operating Instructions
UPS Edition One 1kVA, 2kVA, 3kVA
4. Troubleshooting
If the UPS system does not operate correctly, please solve the problem by using the
Troubleshooting Chart:
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.
Alarm code is shown
as „33“ and battery led
blinking.
The external or internal
battery is incorrectly
connected.
Check if all batteries are
connected well.
Alarm code is shown
as „26“ and battery led
blinking.
Battery voltage is too high
or the charger is fault.
Contact your dealer.
Alarm code is shown
as „34“ and battery led
blinking.
Battery voltage is too low or
the charger is fault.
Contact your dealer.
Alarm code is shown as
„32“ and INV or BYPASS led
blinking.
UPS is overload.
Remove excess loads from
UPS output.
Alarm code is shown as
„29“ and FAULT led light.
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.
Alarm code is shown as
„9“ and FAULT led light.
Fan fault.
Contact your dealer.
Alarm code is shown as
„01, 02, 15, 16, 17, 18“
A UPS internal fault has
occurred.
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.
