Checking UPS - Status Indicators

Modified on Mon, Dec 27, 2021 at 3:29 PM

The Back-UPS ES indicates operating status using a combination of visual and audible indicators.

Use the following table to identify the status of the Back-UPS ES.

Status	Visual Indications (Power On - Green) (Replace Battery - Red)	Audible Indication	Alarm Terminates When
Power On - UPS is supplying conditioned utility power to the load.	Power On LED - ON	None	Not applicable
On Battery - UPS is supplying battery power to the load connected to the Battery outlets	Power On LED - ON (off during beep)	Beeping 4 times every 30 seconds	UPS transfers back to Power On operation, or when UPS is turned off.
Low Battery Warning - UPS is supplying battery power to the load connected to the Battery outlets and the battery is near exhaustion	Power on LED - flashing	Rapid beeping (every 1/2 second)	UPS transfers back to normal operation, or when UPS is turned off
Replace Battery - The battery is disconnected. The battery is in need of charging or is at the end of its usual life and must be replaced.	Replace Battery LED - flashing Power On and Replace Battery LEDs- Flashing (alternating)	Constant tone Constant tone	UPS turned off with the power switch.
Overload Shutdown - During On Battery operation a battery power supplied outlet overload was detected.	None	Constant tone	UPS turned off with the power switch.
Sleep Mode - During On Battery operation the battery power has been completely exhausted and the UPS is waiting for utility power to return to normal.	None	Beeping once every 4 seconds	Utility power is restored, or if utility power is not restored within 32 seconds, or the UPS is turned off.
Building Wiring Fault - Your building wiring presents a shock hazard that should be corrected by a licensed electrician.	Building Wiring Fault LED (red) - ON	None	UPS is unplugged, or is plugged into a properly wired outlet.