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11. Operation in Fault mode
a.) When the buzzer beeps continuously, it means that there is
a fatal error with the UPS. Users can get the fault code from
“DATA LOG” menu. Please refer to the Section 3-3-6 for details
b.)
Please check the loads, wiring, ventilation, mains, battery and
so on after the fault occurs. Do not try to turn on the UPS again
before solving the issues. If the problems persist, contact the
distributor or service personnel immediately.
c.) In case of an emergency, shut off connections from mains,
external battery, and output immediately to avoid possible
damage to the UPS or equipment.
12. Operation in maintenance mode
This operation should only be performed by maintenance personnel or
qualified technicians.
When the UPS needs repair or service and the load cannot be shut off,
the UPS needs to be put into maintenance mode.
a.) First, switch off the UPS.
b.) Then, remove the cover of maintenance bypass switch on the
panel.
c.)
Turn the maintenance switch to “BPS” position.
3.6 Parallel Operation
1. Parallel system initial startup
Please make sure that all the running UPSs are parallel models and
have the same configuration.
a.) Turn ON each UPS in AC mode respectively (Refer to section