Delta Electronics VFD-E manual Fault Fault Descriptions Corrective Actions Name

		Chapter 6 Fault Code Information and Maintenance
Fault	Fault Descriptions			Corrective Actions
Name
	CANopen Heartbeat Time out		Connect to CAN bus again and reset CAN bus
	（Only for VFDxxxExxC）
	CANopen SYNC Time out		Check if CANopen synchronous message is
			abnormal
	（Only for VFDxxxExxC）
	CANopen SDO Time out		Check if command channels are full
	（Only for VFDxxxExxC）
	CANopen SDO buffer		1.	Too short time between commands, please
				check SDO message sent from the master
	overflow（Only for
			2.	Reset CAN bus
	VFDxxxExxC）
	CAN bus off（Only for		1.	Check if it connects to terminal resistor
			2.	Check if the signal is abnormal
	VFDxxxExxC）
			3.	Check if the master is connected
	CAN Boot up fault（Only for		1.	Check if the master is connected
			2.	Reset CAN bus
	VFDxxxExxC）
	Error communication protocol		Check if the communication protocol is correct
	of CANopen （Only for
	VFDxxxExxC）

Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11 6-5