Toshiba VF-nC1 instruction manual Trip causes/warnings and remedies, Cee QeR, Fge QeR

E6581090

13.Before making a service call – Trip information and remedies

13.1Trip 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: FL relay activated]

Error		Alarm	Problem		Possible causes		Remedies
code		code
QE		0001	Overcurrent during	•	The acceleration time CEE is	•	Increase the acceleration time
			acceleration		too short.		CEE.
QER		0025	Overcurrent flowing	•	The V/F setting is improper.	•	Check the V/F parameter.
			in element during	•	A restart signal is input to the	•	Use H (auto-restart) and
			acceleration		rotating motor after a		H (ride-through control).
					momentary stop, etc.	•	Increase or decrease the carrier
				•	A special motor (e.g. motor with		frequency H.
					a small impedance) is used.
QE		0002	Overcurrent during	•	The deceleration time FGE is	•	Increase the deceleration time
			deceleration		too short.		FGE.
QER		0026	Overcurrent flowing
			in element during
			acceleration
QE		0003	Overcurrent during	•	The load fluctuates abruptly.	•	Reduce the load fluctuation.
			operation	•	The load is in an abnormal	•	Check the load (operated
QER		0027	Overcurrent flowing		condition.		machine).
			in element during
			acceleration
QEC		0005	Arm overcurrent at	•	A main circuit element is	•	Make a service call.
			start-up		defective.
QEN		0004	Overcurrent (An	•	The insulation of the output	•	Check the cables and wires for
			overcurrent on the		main circuit or motor is		defective insulation.
			load side at start-up)		defective.			13
				•	The motor has too small
					impedance.
QR		000A	Overvoltage during	•	The input voltage fluctuates	•	Insert a suitable input reactor.
			acceleration		abnormally.
				①The power supply has a
					capacity of 200kVA or more.
				②A power factor improvement
					capacitor is opened or closed.
				③A system using a thyrister is
					connected to the same power
					distribution line.
				•	A restart signal is input to the	•	Use H (auto-restart) and
					rotating motor after a		H (ride-through control).
					momentary stop, etc.
	(Continued overleaf)

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