APC BC300 manual Alarms and Events

			Alarms and Events
		Table 5: Possible Alarms
	Static switch 1	The temperature on the heat-sink	Find the vents for the UPS fans
	temp. warning	for the main static switch is higher	and check to see if the fans are
		than the warning setting. The	operating. Do not try to open the
		unit’s status does not change.	unit, and do not insert anything
		However, if the temperature	into a fan vent. If the fans are not
		continues to rise, the unit will	operating, call APC Global
		sound a “Static switch 1 temp.	Service. If the fans are operating,
		shutdown” alarm.	make sure the room temperature
			is below 80° F (27° C). If not, cool
			down the room. if the room was
			already below this temperature,
			call APC Global Service.
	Static switch 2	The temperature on the heat-sink	Find the vents for the UPS fans
	temp. shutdown	for the bypass static switch is	and check to see if the fans are
		higher than the shutdown level and	operating. Do not try to open the
		the bypass static switch has	unit, and do not insert anything
		opened. The unit switches to	into a fan vent. If the fans are not
		battery operation until the	operating, call APC Global
		temperature falls below the	Service.
		shutdown level; then, it transfers	If the fans are operating, make
		back to normal operation. If the	sure the room temperature is
		temperature does not fall to this	below 80° F (27° C). If not, cool
		level before the “Low DC	down the room. if the room was
		shutdown” alarm occurs, there will	already below this temperature,
		be no output to the load equipment.	call APC Global Service.
	Static switch 2	The temperature on the heat-sink	Find the vents for the UPS fans
	temp. warning	for the bypass static switch is	and check to see if the fans are
		higher than the warning setting.	operating. Do not try to open the
		The unit’s status does not change.	unit, and do not insert anything
		However, if the temperature	into a fan vent. If the fans are not
		continues to rise, the unit will	operating, call APC Global
		sound a “Static switch 2 temp.	Service.
		shutdown” alarm.	If the fans are operating, make
			sure the room temperature is
			below 80° F (27° C). If not, cool
			down the room. if the room was
			already below this temperature,
			call APC Global Service.
	Synchronization	The inverter output is not	If this alarm occurs during the
	error (This	synchronized to the utility (AC	initial start-up, an electrician
	alarm occurs	input). The unit will transfer to	must check the phase rotation.
	during a power	battery operation until the “Low	If this alarm occurs while the unit
	outage)	DC shutdown” alarm sounds. If the	is connected to a generator, the
		unit can synchronize to utility	unit may be having problems
		again before this event occurs, it	synchronizing to the generator.
		will transfer back to normal	Call APC Global Service.
		operation.	If the alarm does not occur during
			the initial start-up and the UPS is
			not connected to a generator, call
			APC Global Service.
990-1403
20	User Guide APC BC300 Series 40kW 208/450/480V UPS