Toshiba 1500 SERIES operation manual Front Panel Layout, UPS On-Line Mode Display

TOSHIBA

5.0Operating the UPS

5.4 Front Panel Layout

ON LINE (green lamp)

Lights green when the UPS’s inverter is supplying power to the load.

AC INPUT (green lamp)

Lights green when normal ac input power is being supplied to the UPS

Unit.

FAULT (red lamp)

Lights red when the UPS unit has tripped in the fault mode.

REPLACE BATTERY (red lamp)

Lights red to indicate batteries may need to be replaced.

5.5UPS On-Line Mode Display

The following chart shows normal operating conditions when the UPS On-Line lamp is green.

Output	Display Status		Explanation	Output		Display Status	Explanation
			When output current is				During battery backup all
			between 30% and 100%,				green lamps flash and the
			the green lamps light in				red Backup lamp is lit
			15% increments (from				continuously. As the
Normal			bottom to top) to indicate				batteries discharge, the
			relative output value	Battery			green lamps extinguish
			(This sample display	Backup			from top to bottom to
			shows output current at				indicate remaining battery
			45% to 60% of rated				capacity (This sample
			current).				display shows battery
							voltage between 75% and
							90% of battery capacity).
			All the green lamps will				All green lamps are off
			light and the red Overload				and the red Backup lamp
			lamp will flash. If the load	Low			is lit continuously or
			exceeds 135% of the max.	Battery			flashing.
			rated output the red	During
Overload			Overload lamp will light	Battery
			continuously.Remove	Backup
			overload as quickly as
			possible to prevent fault
			(fault timeouts vary
			depending on overload
			condition).
		= Flashing LED			= Steady-lit LED

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