P9 ASD Quick Start Guide 75
E-23
Optional Expansion
Input Terminal Board 1
Error
• Optional Expansion Input Terminal Board 1 is defective.
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 Read Error • 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.
LED Screen LCD Screen Possible Causes/Troubleshooting
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