Troubleshooting - PROLiNK PROFESSIONAL I Series User Manual

4. Troubleshooting

If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom
LED2 and LED5 will flash at the
same time. And alarm is sounding
every second.
LED5, LED7, LED8 and LED9 will
be on at the same time and alarm
is sounding continuously.
LED5, LED8, LED9 and LED10 will
be on at the same time and alarm
is sounding continuously.
LED5 and LED6 will flash at the
same time and alarm is sounding
twice every second.
LED5 and LED6 will be on at the
same time. And alarm is
continuously sounding.
Battery backup time is shorter
than nominal value
Possible cause
The external or internal
battery is incorrectly
connected.
Battery voltage is too high
or the charger is fault.
Battery voltage is too low
or the charger is fault.
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.
The UPS shut down
automatically because of
overload at the UPS output.
Batteries are not fully
charged
Batteries defect
20
Remedy
Check if all batteries are
connected well.
Contact your dealer.
Contact your dealer.
Remove excess loads from
UPS output.
Remove excess loads from
UPS output.
Remove excess loads from
UPS output first. Then shut
down the UPS and restart
it.
Remove excess loads from
UPS output and restart it.
Charge the batteries for at
least 5 hours and then
check capacity. If the
problem still persists,
consult your dealer.
Contact your dealer to
replace the battery.