Cover MR Series, User Manual

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MR Series 600K
User Manual
23
2.6 Alarm Function
Once the UPS abnormal, it will send sound & light alarm. The alarm or protection function of the
UPS is as shown in Table2-10.
Table2-10 Abnormal status and alarm/ protection function
Alarm action Protection action Fault name
Buzzer long beeps
Shut down all inverter output and
bypass output.
EPO enable
Bypass overload protection
Bypass output under-voltage
Shut down all inverter output and
turns to bypass output.
Inverter output over-voltage
Inverter output under-voltage
Inverter overload protection
Parallel system sovereignty fault
Parallel system communication
abnormal
Maintenance bypass is on.
Buzzer beeps apace
It is not allowed to supply power
by battery or charge battery
Battery over-voltage
Battery circuit abnormal
None Battery backup time is not enough.
None Output overload alarm.
Buzzer beeps apace,
the red BATT. LOW
indicator on.
None Battery low-voltage alarm
Buzzer beeps slowly None
Output circuit abnormal.
Output current DC component is too
large.
Fan is about to use up
Busbar capacitance is about to use up.