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Operation
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3.2 LED Mimic Power Flow
The LEDs mounted on the mimic flow chart represent the various power paths and current UPS oper-
ational status.
3.3 Audible Alarms—Buzzer
UPS activity is accompanied by the following sounds
Table 3 Rectifier indicator
Green Rectifier in Normal Operation
Flashing
Green
Input AC Normal, but rectifier not operating
Red Rectifier Failed
Off Rectifier Not operating, Input AC Not Available or out of normal range
Table 4 Battery indicator
Green Battery Normal, but discharging and powering the load
Flashing
Green
Battery End of Discharge pre-warning
Red
Battery abnormal (Failed, Absent or Polarity Reversed) or Battery
Converter abnormal
(Failed, overcurrent, overtemperature)
Off Battery and Converter Normal, Battery charging
Table 5 Bypass indicator
Green Load on Bypass power
Red Bypass not available, out of normal range or Static bypass switch fault
Off Bypass Normal, load not on bypass
Table 6 Inverter indicator
Green Inverter Normal and powering the load
Flashing
Green
Inverter ON, starting up, synchronizing, or standing by (ECO mode)
Red Inverter failed
Off Inverter not operating
Table 7 Load indicator
Green UPS output ON and Normal
Red UPS output ON and Overloaded
Off UPS output OFF.
Table 8 Status (Alarm) indicator
Green Normal Operation
Yellow UPS Warning e.g. AC Input Failure
Red UPS fault (ex. Fuse or Hardware failure)
Table 9 Audible alarm key
Single beep Direct Access key acknowledgement
One beep per second UPS Warning, (ex. AC Input Failure)
Continuous beep Fault, (ex. Fuse or Hardware Failure)