Operation On Battery Power; Return On Normal Ac Source - Eaton MX 4000 RT Installation And User Manual

3.4 Operation on battery power

When the Normal AC source is not available, the load continues to be protected by the UPS.
Power is supplied by the battery.
Transfer to battery power
Low battery warning
End of backup time

3.5 Return on Normal AC source

After an outage, the UPS restarts automatically when Normal AC source is restored (unless this function has been
disabled via UPS personalisation) and the load is supplied again.
20
I
31 32 34
20
I
31 32 34
I
34
21
O
21
O
22
O
3. Operation
LEDs (20), (21) are ON.
LEDs (31), (32), (34) are green.
The audio alarm beeps every 10 seconds.
The equipments are protected by the UPS
and supplied by the battery.
The display indicates the battery
remaining backup time.
LEDs (20), (21) are ON.
LEDs (31), (32), (34) are green.
The audio alarm beeps every 3 seconds.
The remaining battery power is low.
Shut down all applications on the
connected equipment because automatic
UPS shutdown is imminent.
LED (22) is ON.
LED (34) is red.
The audio alarm beeps continuously.
The equipments are not powered.
The UPS displays "End of backup time
Battery low".
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