Toshiba 1800 manual Voltage 20% Flash Sound for

30

1800 Series User Manual

Warning (cont.)

Warning	Display State	LED State		Alarm State	Description and Resolution
Battery Over		Warning/Fault Flash		Alarm will	This warning can be caused by
Heat		Battery	Flash	sound for	the same conditions listed for
				1-second at	Ambient Overheat. Another pos-
				15- second	sible cause would be a problem
				intervals.	with the battery module, which
					could prevent the unit from provid-
					ing backup power.
Input Under		Warning/Fault Flash		Alarm will	This warning will occur if the input
Voltage		20%	Flash	sound for	voltage drops below the minimum
(see Note 1,				1/2-second	allowable voltage. If the unit was
page 31)				at 10-second	online when the warning occurred it
				intervals.	will transfer to battery backup. If the
					unit was in bypass the output will be
					turned off. The unit will reinitialize the
					startup sequence if input power returns
					to within specified limits.
Input Over		Warning/Fault Flash		Alarm will	This warning will occur if the input volt-
Voltage		40%	Flash	sound for	age exceeds the maximum allowable
(see Note 1,				two 1/2-sec-	voltage. If the unit was online when
page 31)				ond beeps	the warning occurred it will transfer
					to battery backup. If the unit was in
				at 10-second
					bypass the output will be turned off.
				intervals.	The unit will return to normal operation
					if input power returns to within speci-
					fied limits.