PowerWalker VFI 1000E - Manual (Page 11)

20
5. LED and LCD status as below:
UPS STATUS:
AC utility power is normal, but the load is supplied by AC utility power
via bypass. Output power is more than 150% (referring to the Output
Power Menu). Warning LED lits up and buzzer beeps continuously.
ACTION: Please reduce the critical load to POWER(%)<100%.
6. LED and LCD status as below:
UPS STATUS:
AC utility power fails .The full load is supplied by battery power in UPS.
Buzzer alarm sounds every 4 seconds.
ACTION: If AC utility power fails, reduce the less critical load in order to
extend backup time. If it is not abnormal power failure, please check
the rated input or connected line.
21
7. LED and LCD status as below:
UPS STATUS:
AC utility fails. The load is supplied by UPS in backup mode, and
battery power is approaching low level. Buzzer alarm beeps every
second.
ACTION: UPS will shut down automatically. Please save data soon.
8. LED and LCD status as below:
UPS STATUS:
AC utility power fails and battery runs out. UPS has shut down
automatically.
ACTION: UPS will restart up when AC utility power is restored. If AC
utility power failure is more than 6 hours, please follow storage
instruction.