Delta Electronics INX-1K, User Manual

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23
Amplon INX Series
Chapter 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 the input
power cord firmly con-
nected to the mains.
The AC input is connected
to the UPS output. Plug the AC input
power cord to the AC
input correctly.
The icons and
are flashing on the LCD
display and the alarm is
sounding every second.
The external or internal bat-
teries are incorrectly con-
nected. Check if all batteries
are connected well.
Fault code is shown as
27 or 28 and the icon
is lighting on the
LCD display and the
alarm is continuously
sounding.
Battery voltage is too high/
low or the charger is fault. Contact your dealer.
The icons and
are flashing on the LCD
display and the alarm
is sounding twice every
second.
The UPS is overloaded. Remove excess loads
from the UPS output.
The UPS is overloaded.
Devices connected to the
UPS are fed directly by the
electrical network via the
bypass. Remove excess loads
from the UPS output.
After repetitive overloads,
the UPS is locked in by-
pass mode. Connected
devices are fed directly by
the mains. Remove excess loads
from the UPS output
first. Then shut down
the UPS and restart it.