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H9 ASD Installation and Operation Manual 251
E-24
Optional Expansion
Input Terminal Board
2 Error
• Optional Expansion Input Terminal Board 2 is defective.
E-25
Stop Positioning
Retention Error
• Load movement while stopped.
• F381 setting is too low.
• Encoder malfunction.
• Creep speed is too high.
E-26
CPU2 Fault
•CPU malfunction.
• Control board malfunction.
E-50/E-51
Sink/Source Setting
Error
• Improperly positioned Sink/Source jumper on the Terminal board or on an
option device (see J100 at the Terminal PCB of the ASD).
• 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
(Earth) Ground Fault
• Ground fault at the motor.
• 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 Fault
•CPU malfunction.
• Control board malfunction.
• Make a service call.
ERR5
Communication
Error
• Communication time out error.
• Communication malfunction.
• 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.
LED Display LCD Display Possible Causes