Toshiba H9 operation manual 50/E-51, EF1/EF2

LED Display	LCD Display		Possible Causes
E-24	Optional Expansion	•	Optional Expansion Input Terminal Board 2 is defective.
	Input Terminal Board
	2 Error
E-25	Stop Positioning	•	Load movement while stopped.
		• F381 setting is too low.
	Retention Error
		•	Encoder malfunction.
		• Creep speed is too high.
E-26	CPU2 Fault	•	CPU malfunction.
		•	Control board malfunction.
E-50/E-51	Sink/Source Setting	•	Improperly positioned Sink/Source jumper on the Terminal board or on an
			option device (see J100 at the Terminal PCB of the ASD).
	Error
		• Sink/Source configuration is incorrect.
EEP1	EEPROM Fault	•	EEPROM write malfunction.
		• Make a service call.
EEP2/EEP3	EEPROM Data Fault	•	EEPROM read malfunction.
		• Make a service call.
EF1/EF2		•	Ground fault at the motor.
	(Earth) Ground Fault	•	Ground fault at the output of the ASD.
		• Current leakage to Earth Ground.
EPHI	Input Phase Failure	•	3-phase input to the ASD is low or missing at the R, S, or T input terminals.
EPHO	Output Phase Failure	•	3-phase output from the ASD is low or missing at the U, V, or W output
			terminals or at the input to the motor.
ERR2	RAM Fault	•	Internal RAM malfunction.
		• Make a service call.
ERR3	ROM Fault	•	Internal ROM malfunction.
		• Make a service call.
ERR4		•	CPU malfunction.
	CPU Fault	•	Control board malfunction.
		• Make a service call.
ERR5		•	Communication time out error.
	Communication	•	Communication malfunction.
	Error
		• Improper or loose connection.
		•	Improper system settings.
ERR6	Gate Array Fault	•	Main Gate Array is defective.
ERR7	Low Current	•	Improper Low Current detection level settings at F609 – F612.
ERR8	Option Device Fault	•	Check installation, connections, and option device manual.
ERR9	Flash Memory Fault	•	Flash memory malfunction.
		• Make a service call.

H9 ASD Installation and Operation Manual 251