Niveo Professional NUPS22-6000U - Manual (Page 27)

4. Trouble Shooting
4-1. Warning status
When Fault LED flashes and the buzzer beeps once every second, it means that there are some
problems with UPS. Users can see the warning code from LCD panel and refer to the trouble
shooting table to check what problem probably happen.
4-2. Fault mode
1) When Fault LED illuminates and the buzzer beeps continuously, it means that there is a fatal error
about UPS. Users can get the fault code from LCD panel. Please refer to the trouble shooting table to
check what problems probably happen.
2) Don’t try to turn on the UPS again before the problem is clear. If the problems can’t be fixed, please
contact the distributor or service people immediately.
3) For emergency case, please cut off the connection from utility, external battery, and output
immediately to avoid more risk or danger.
4-3. Trouble shooting table
If the UPS system does not operate correctly, please solve the problem by referring to the table below:
Alarm type LCD display Possible cause Remedy
Warning 01: Batt Open 1) The battery is not connected
well;
2) The battery protection device is
open.
1) Connect the battery well.
2) Replace or restore the
protection device.
Warning 07: Over Charge 1) Battery numbers and setting
are not matching.
2) Charger voltage is too high or
charger failure.
1) Correct the battery number
or its setting.
2) Disconnect the battery and
check the charger output
voltage. Then, contact the
dealer to repair.
Warning 08: Batt Low 1) Battery is discharged deeply to
low level.
2) Battery number is not correct.
3) Battery is in the end of life.
1) Recharge the battery.
2) Correct the battery number.
3) Replace the battery.
Warning 09: Over load The load is too heavy. Remove excess loads from UPS
output.
Warning 0A: Fan Error 1) Fan is blocked.
2) Fan is in the end of life.
3) Fan detection circuit failed.
1) Make sure fan is not
blocked.
2) Contact the dealer to replace
the fan.
3) Contact the dealer to repair.
Warning 0B: EPO Enable EPO plug (jumper) is removed or
the external EPO switch is off. Connect the EPO plug (jumper)
well or switch on the external
EPO switch.