Power On

®	Back-UPS®CS 500
	Back-UPS®CS 500
	User’s Manual

www.apc.com

Thank you for purchasing APC’s Back-UPS CS 500. Please complete and mail the enclosed Warranty Registration Card, or register your purchase at www.apc.com/ch.

Safety and Placement

Do not install this device during a thunderstorm.

Do not install this device in a hot or excessively moist location.

Do not use with aquarium equipment.

This device is designed for indoor use only.

0 - 40oC

Connect Equipment

Battery + Surge Protection

These outlets are powered whenever the unit is switched ON. During a power outage or other utility problems (brownouts, over-voltages), these outlets will be powered for a limited time by the internal battery. Plug your computer and monitor into these outlets.

Connect AC Line Cord

Connect the AC line cord to a 220 Volt outlet.

The Back-UPS should be allowed to charge for 16 hours to ensure sufficient runtime. The unit is being charged whenever it is connected to utility power, and the unit is turned ON.

Status Indications

The Back-UPS indicates operating status using a combination of visual and audible indicators, as follows:

Power ON the unit by pressing the ON/OFF button. Turn on your equipment.

Note: The on/off switch is illuminated when in the ON position. The switch may flash to indicate changing power conditions (see Status Indications).

Power ON

Indicator

(green)

Off

Flashing (off

during

beeping)

Flashing

Off

Flashing

Buzzer

Off

4 beeps every 30 seconds

Constant

Beeping

Beeps once

every 4 seconds

Contant Tone

Constant Tone

Condition

The Back-UPS has been turned off.

On Line - Back-UPS is supplying conditioned utility power to the connected equipment.

On Battery - Back-UPS is supplying battery power to the connected equipment.

Low Battery Warning - The Back-UPS has 2 minutes of battery power remaining.

Sleep Mode - Battery power has been completely exhausted. The Back-UPS is waiting for utility power to return to normal.

Overload Warning - The connected equipment requires more power than can be provided by the Back-UPS.

Overload Shutdown - The Back-UPS has shut down because the connected devices require more power than can be provided by the Back-UPS. Disconnect one of the devices and restart the unit.

The Back-UPS has experienced an internal problem. Contact APC Technical Support.

	Troubleshooting Consult APC Online Technical Support or call APC Technical Support for assistance with problems that cannot be resolved using the table below:

	Problem	Probable Cause	Solution
	Unit will not turn on; ON/OFF	Utility power not available at the wall outlet, and battery	Ensure that the fuse or circuit breaker for the wall outlet is okay, and that the wall
	button will not illuminate green.	power has been exhausted.	switch controlling the wall outlet (if any) is in the ON position. Ensure the battery
			has been fully charged.

	Connected equipment loses	Circuit Breaker has tripped; the unit is overloaded.	Reduce the amount of equipment plugged into the “Battery Backup + Surge
	power.		Protection” outlets. Reset the Circuit Breaker by pushing it back in.
			Ensure the equipment plugged into the outlets of the unit are not overloading the
			capacity of the unit. Try disconnecting some of the equipment and see if the
			problem continues.
		The unit has exhausted its available battery power.	The unit can only operate on battery power for a limited amount of time. The unit
			will eventually turn off when the available battery power has been used. Allow the
			unit to recharge for 16 hours before continuing use of the unit.
		The equipment connected to the Back-UPS does not	The output waveform is designed for computers and computer-related equipment.
		accept the step-approximated sine waveform from the unit.	It is not designed for use with motor-type equipment.
		The unit may require service.	Contact APC Technical Support for further troubleshooting.

	The Power indicator is lit and the	The Back-UPS is supplying battery power to the	The unit is operating normally and supplying battery power. Once On Battery, you
	unit is beeping four times every 30	connected equipment	should save your current work, power down your equipment, and turn the unit OFF.
	seconds.		Once normal power is restored, you may turn the unit back ON and power your
			equipment.

	The power indicator is flashing	Battery capacity is low (about 2 minutes of use remaining).	The unit is about to shut off due to a low battery charge condition! When the unit
	and the unit beeps once per		beeps once every second, the battery has about 2 minutes of power remaining.
	second.		Immediately power down your computer and turn the unit OFF. When normal
			power returns, you may turn the unit back ON; the unit will recharge the battery.

	Inadequate runtime.	The battery is not fully charged.	Allow the unit to charge by leaving it plugged in and switched on for 16 hours.
		Battery is near the end of useful life.	As a battery ages, the amount of runtime available will decrease. Batteries also age
			prematurely if the unit is placed near excessive heat. If the battery will not charge,
			the Back-UPS is no longer operable.

990-2712 Copyright © 2005 American Power Conversion. All rights reserved.			APC and Back-UPS are registered trademarks of American Power Conversion
			All other trademarks are property of their respective owners.

Back-UPS®CS 500

User’s Manual