Delta Electronics VFD007S23A manual Reset

Chapter 6 Fault Code InformationVFD-S Series

Fault	Fault Descriptions		Corrective Actions
Name
		1.	Check the RS485 connection between the AC
			motor drive and RS485 master for loose wires
			and wiring to correct pins.
	Communication Error	2.	Check if the communication protocol, address,
			transmission speed, etc. are properly set.
		3.	Use the correct checksum calculation.
		4.	Please refer to group 9 in the chapter 5 for
			detail information.
	Software protection failure	Return to the factory.
	Password is locked.	Keypad will be locked. Turn the power ON after
		power OFF to re-enter the correct password. See
		Pr.0-07 and 0-08.
		1.	Check parameter setting (Pr.A-00) and
	Analog feedback error or		AVI/ACI wiring
		2.	Check for possible fault between system
	ACI open circuit
			response time and the feedback signal
			detection time (Pr.A-08).
	Phase Loss	Check input phase wiring for loose contacts.
	PID feedback error	1.	Check PID feedback wiring.
		2.	Check if the parameter setting is properly set.

6.2 Reset

There are three methods to reset the AC motor drive after solving the fault:

1.Press STOP/RESET key on keypad.

2.Set external terminal to “RESET” (set one of Pr.4-04~Pr.4-08 to 06) and then set to be ON.

3.Send “RESET” command by communication.

NOTE

Make sure that RUN command or signal is OFF before executing RESET to prevent damage or

personal injury due to immediate operation.

6-4 Revision August 2006, SE08, SW V2.61