Xantrex Technology 815-3024 manual F64 AC overload, F68 Transformer Over, F70 Unique Dev# Needed

Freedom SW 3K2K InvChg Owners Guide.book Page 74 Wednesday, October 9, 2013 1:34 PM

Troubleshooting

Table 4 Fault Messages

Fault
Number	Message	Fault Type	Cause	Solution
F64	AC overload	Escalating Auto Fault.	Persistent excessive	Avoid loads with long surge current.
		Must occur 3 times in 60	inverter current above rated
		seconds before becoming a	current.
		manual fault.
F68	Transformer Over	Automatic	Same as F57.	Same as F57.
	Temperature
F69	External Sync Failed	Automatic	When Series stacking— the	Install the Stacking cable to connect the
			Stacking cable is not	two inverter/chargers.
			installed.
F70	Unique Dev# Needed	Automatic	When stacking (Series or	Change the Device Number of one unit.
			Parallel)—if two units have	See “Setting the Device Number” on page
			the same Device Number.	56.
F71	Too Many Masters	Automatic	When stacking (Series or	Change one unit to a Slave unit. See Stack
			Parallel)—if two units are	Mode under “Stacking Configuration
			configured as Master units.	Menu” on page 54 in Table 17.
F73	Transformer Temp	Automatic	Temperature sensor is	Service required.
	unreadable		damaged.
F74	Other Unit Invert	Automatic	When stacking (Series or	Clear the primary fault on the unit that
	Fault		Parallel)—if one of the	caused this fault.
			units encounters a fault that
			needs to be resolved.
74				Freedom SW Owner’s Guide