Delta Electronics VFD-F Series manual Fault Descriptions, Corrective Actions

VFD-F Series

Fault	Fault Descriptions	Corrective Actions
Name
		1. Ensure that the ambient temperature
		falls within the specified temperature
		range.
	The AC drive	2. Make sure that the ventilation holes are
		not obstructed.
	temperature sensor
		3. Remove any foreign objects on the
	detects excessive heat.
		heatsinks and check for possible dirty
		heat sink fins.
		4. Provide enough spacing for adequate
		ventilation.
	The AC drive detects	Check whether the input voltage falls within
	that the DC bus voltage
	has fallen below its	the rated AC drive’s input voltage.
	minimum value.
	The AC drive detects
	excessive drive output	1. Check whether the motor is overloaded.
	current.
	Note: The AC drive can	2. Reduce torque compensation setting as
	withstand up to 150% of	set in Pr.7-02.
	the rated current for a	3. Increase the AC drive’s output capacity.
	maximum of 60
	seconds.
		1. Check for possible motor overload.
		2. Check electronic thermal overload
	Internal electronic	setting.
		3. Increase motor capacity.
	overload trip
		4. Reduce the current level so that the drive
		output current does not exceed the value
		set by the Motor Rated Current Pr.7-00.
	Motor overload. Check	1. Reduce the motor load.
		2. Adjust the over-torque detection setting
	the parameter settings
		to an appropriate setting (Pr.06-03 to
	(Pr.6-03 to Pr.6-05)
		Pr.06-05).
	GFF hardware error	Return to the factory.
	CC (Current Clamp)	Return to the factory.

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