APC Battery Management System manual Management Controller alarms

Battery Management System

USER’S GUIDE

®

Category	Details	Diagnostics
Charge Test	When the Battery	Problem: A percentage deviation
	Management System applied	outside the acceptable range indicates
	a test current, the batteries	unexplained changes that indicate the
	listed in the alarm message	need to verify possible problems with the
	showed a higher than	battery.
	acceptable percentage	Response: Identify the listed batteries
	deviation from the previous
		immediately so that system backup time
	“benchmarked” values (which
		is not reduced. Test and verify status of
	are reset after any
		the identified batteries immediately.
	discharge).
Pilot	Sampling of the surface	Problem: A high temperature alarm may
Temperature	temperature of one battery in	indicate an overheated (overcharged)
s	the string showed a	battery, usually caused by a faulty
	temperature above the	charger.
	configured threshold.	Response: If uncorrected, this condition
	Default:	can cause permanent damage to the
	95° F (35° C) (high	batteries. Replace failed batteries.
	threshold).

Management Controller alarms.

Category	Details	Diagnostics
Blown	The connections between the	Problem: One or more fuses or wires
Connection	Management Controller and	are open.
Fuse	the batteries are open.	Response: Replace the fuse or wire
		connection in the location indicated in
		the event log.
Missing or	Not all sensors are present	Problem: The system operation is
Defective	and functional.	not reliable without sensor
Sensors		information.
		Response: Connect or replace the
		sensor indicated in the event log.

25