Lowell power UPS9LI-1500, Руководство пользователя

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4. Troubleshooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Icon and/or
Code
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
and alarm is sounding every
2 seconds. EPO function is activated. Set the circuit in closed position
to disable EPO function.
The icons and warning code
flash on LCD display. 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 and warning code
flash on LCD display. 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
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
on LCD display and alarm is
continuously sounding. Battery voltage is too low or the
charger is fault. Contact your dealer.
The icons and warning code
flash on LCD display. 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 over input current. Remove excess loads from UPS
output.
Fault code is shown as 43
and 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.