Toshiba VF-S11 manual Before making a service call Trip information and remedies

E6581160

9.Before making a service call

- Trip information and remedies

9.1Trip causes/warnings and remedies

When a problem arises, diagnose it in accordance with the following table.

If it is found that replacement of parts is required or the problem cannot be solved by any remedy described in the table, contact your Toshiba dealer.

[Trip information]

	Error code	Failure code	Problem	Possible causes	Remedies
	QE	0001	Overcurrent during	• The acceleration time CEE is too short.	• Increase the acceleration time CEE.
	QER	0025	acceleration	• The V/F setting is improper.	• Check the V/F parameter.
			Overcurrent flowing	• A restart signal is imput to the rotating	• Use H (auto-restart) and H
			in element during	motor after a momentary stop, etc.	(ride-through control).
			acceleration	• A special motor (e.g. motor with a small	• Adjust the carrier frequency H.
				impedance) is used.	• Set the carrier frequency control mode
					selection parameter f316 to 1 or 3
					(carrier frequency decreased
					automatically).
	QE	0002	Overcurrent during	• The deceleration time FGE is too short.	• Increase the deceleration time FGE.
	QER	0026	deceleration		• Set the carrier frequency control mode
			Overcurrent flowing		selection parameter f316 to 1 or 3
			in element during		(carrier frequency decreased
			decelearion		automatically).
	QE	0003	Overcurrent during	• The load fluctuates abruptly.	• Reduce the load fluctuation.
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	QER	0027	constant speed	• The load is in an abnormal condition.	• Check the load (operated machine).
			operation		• Set the carrier frequency control mode
			Overcurrent flowing		selection parameter f316 to 1 or 3
			in element during		(carrier frequency decreased
			operation		automatically).
	ER	0025	Ground fault trip	• A current leaked from an output cable or	• Check cables, connectors, and so on for
	ER	0026	Arm overcurrent at	the motor to ground.	ground faults.
		0027	start-up	• A main circuit elements is defective.	• Make a service call.
	ER		(for 11 and 15 kW
			models only)
	QEN	0004	Overcurrent (An	• The insulation of the output main circuit or	• Check the cables and wires for defective
			overcurrent on the	motor is defective.	insulation.
			load side at start-up)	• The motor has too small impedance.	• When using a 11 or 15 kW model, check
				• A 11 or 15 kW model was started,	cables, connectors, and so on for ground
				although a current is leaked from an	faults.
				output cable or the motor to ground.
	QEC	0005	Arm overcurrent at	• A main circuit elements is defective.	• Make a service call.
			start-up
	*	0008	Input phase failure	• A phase failure occured in the input line of	• Check the main circuit input line for phase
	GRJ			the main circuit.	failure.
				• The capacitor in the main circuit lacks	• Enable H (input phase failure
				capacitance.	detection).
					• Check the capacitor in the main circuit for
					exhaustion.
	*	0009	Output phase failure	• A phase failure occurred in the output line	• Check the main circuit output line, motor,
	GRJQ			of the main circuit.	etc. for phase failure.
					• Enable H (Output phase failure
					detection).

*You can select a trip ON/OFF by parameters. (Continued overleaf)

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