American Power Conversion 10-40kW 208/480V manual Unlock

Alarms and Events

34.	Output outside tolerance	Output voltage outside tolerance	Call for assistance
35.	Output frequency outside	Output frequency outside	Call for assistance
	tolerance	tolerance
36.	High battery temperature	Battery ambient temperature too	Check system ambient
		high	temperature, check fan, check for
			airflow obstructions
37.	Battery weak	Battery capacity below 75% or	Test battery capacity
		battery MCCB/fuse switched off
38.	Battery defective	Insufficient battery capacity or	Call for assistance
		battery MCCB/fuse switched off
39.	System locked in operation	UPS has made 10 attempts within	Unlock.
	mode	1 minute to switch from bypass to	If message reappears -
		battery operation, or “High DC	call for assistance
		warning” has appeared 10-20
		times within 1 minute
40.	RAM1 memory write error	UPS fault	Call for assistance
41.	Memory write error	UPS fault	Call for assistance
42. Communication to VQ bypass		UPS fault	Call for assistance
	lost
43. Communication to VQ output		UPS fault	Call for assistance
	lost
44.	Communication to DMU lost	UPS fault	Call for assistance
45.	Communication to controller	UPS fault.	Call for assistance
	lost	Display will show invalid UPS
		data
46.	Communication to parallel IF	UPS fault	Call for assistance
	lost
47.	External shutdown accepted	Remote signal for switching off	–
		UPS accepted.
		UPS switches off automatically
48.	Communication to VQ mains	UPS fault	Call for assistance
	lost
49.	Bypass syncronization error	The UPS cannot synchronize with	Check if phase rotation of bypass
		bypass mains	voltage is correct – if OK, call for
			assistance
50.	Battery charge error	Transferred to battery operation	Check RFI input fuse and
		because of battery charge error	feedback relay

990-4034

26 User Guide APC Silcon 10-40kW 208V/480V UPS