Fault Codes and Descriptions DD Series

Chapter 6 Fault Codes and Descriptions DD Series

Display	Description	Corrective Actions

	Hardware failure in current
	detection (Isum)

	U-phase error	Re-apply power and try again. If fault still
		Re-apply power and try again. If fault still
		occurs, please return it to the factory.
	V-phase error	occurs, please return it to the factory.
	V-phase error

	W-phase error

	CC current clamp

	OC hardware error	Re-apply power and try again. If fault still
		Re-apply power and try again. If fault still
		occurs, please return it to the factory.
	OV hardware error	occurs, please return it to the factory.
	OV hardware error

Auto tuning error	1.	Check cabling between drive and
Auto tuning error		motor
		motor
	2.	Check the motor capacity and
		parameters settings
	3.	Retry again

PG feedback error	When the setting is in PG feedback control
	mode, check if the value of Pr.03-00 is not
	0.

PG feedback loss	Check the wiring of PG feedback.

PG feedback stall	1.	Check the wiring of the PG feedback
PG feedback stall
	2.	Check if the setting of PI gain and
		deceleration is suitable
		deceleration is suitable
PG slip error	3.	Return to the factory
	3.	Return to the factory

	1. When external terminal EF is closed
External fault		(N.O), the AC motor drive will stop
External fault		output.
		output.
	2. After fault is cleared, press RESET.

6-4

VFD-D D specifications

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Overall, the 3Com VFD-D D combines speed, security, and scalability in a single device, making it a powerful addition to any enterprise network. Its advanced features and technologies are tailored to support the dynamic needs of modern businesses, ensuring reliable performance and robust connectivity in an increasingly interconnected world.

3Com VFD-D D manual Fault Codes and Descriptions DD Series

Models: VFD-D D

Chapter 6 Fault Codes and Descriptions DD Series

VFD-D D specifications