Toshiba VF-FS1 instruction manual Gtt

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Error code	Failure code	Problem		Possible causes	Remedies
QJ	002E	External thermal trip	•	An external thermal trip is input.	• Check the external thermal input.
			•	PTC protection worked.	• Check the PTC in the motor.
G	0011	Emergency stop	•	During automatic operation or remote	• Reset the inverter.
				operation, a stop command is entered
				from the operation panel or a remote
				input device.
GGR	0012	EEPROM fault 1	•	A data writing error occurs.	• Turn off the inverter, then turn it again. If it
					does not recover from the error, make a
					service call.
GGR	0013	EEPROM fault 2	•	Power supply is cut off during V[R	• Turn the power off temporarily and turn it
				operation and data writing is aborted.	back on, and then try V[R operation
					again.
GGR	0014	EEPROM fault 3	•	A data reading error occurred.	• Turn off the inverter, then turn it again. If it
					does not recover from the error, make a
					service call.
GTT	0015	Main unit RAM fault	•	The control RAM is defective.	• Make a service call.
GTT	0016	Main unit ROM fault	•	The control ROM is defective.	• Make a service call.
GTT	0017	CPU fault 1	•	The control CPU is defective.	• Make a service call.
*	0018	Communication error	•	An error arises during serial	• Check the remote control device, cables,
GTT				communication.	etc.
GTT	001A	Current detector fault	•	The current detector is defective.	• Make a service call.
GTT	001B	Network error	•	The error was occurred during Network	• Check the Network device and wiring.
				communication.
*	001D	Low-current	•	The output current decreased to a low-	• Enable H (low-current detection).
WE		operation		current detection level during operation.	• Check the suitable detection level for the
		Trip			system (H, H).
					• Make a service call if the setting is
					correct.
*	001E	Undervoltage trip	•	The input voltage (in the main circuit) is	• Check the input voltage.
WR		(main circuit)		too low.	• Enable H (undervoltage trip
					selection).
					• To cope with a momentary stop due to
					undervoltage, enable H (coast stop)
					and H (auto-restart).
GH	0022	Ground fault trip	•	A ground fault occurs in the output cable	• Check the cable and the motor for ground
				or the motor.	faults.
GVP	0054	Auto-tuning error	•	Check the motor parameter H to H.
			• The motor with the capacity of 2 classes or less than the inverter is used.
			• The output cable is too thin.
			• The motor is rotating.
			• The inverter is used for loads other than those of three-phase induction motors.
GV[R	0029	Inverter	•	Circuit board is changed.	• Make a service call.
		type error		(Or main circuit/drive circuit board)
*	0032	Brea in analog signal	•	The signal input via VIA is below the	• Check the cables for breaks. And check
G		cable		analog sinal detectio level set with	the setting of input signal or setting value
				H.	of H.
G	0033	CPU	•	A communications error occurs between	• Make a service call.
		communications		control CPUs.
		error				13
G	0034	Excessive torque	•	The torque boost parameter H is	• Re do the Auto-tuning then set H.
		boosted		set too high.	• Decrease the setting of the torque boost
			• The motor has too small impedance.		parameter H.
G	0035	CPU fault 2	•	The control CPU is defective.	• Make a service call.
UQWV	002F	Step-out	•	The motor shaft is locked.	• Unlock the motor shaft.
		(For PM motor only)	•	One output phase is open.	• Check the interconnect cables between
			• An impact load is applied.		the inverter and the motor.

*You can select a trip ON/OFF by parameters.

M-3