Yaskawa Modbus TCP/IP Installation - Manual (Page 44)

9 Troubleshooting
44 YASKAWA ELECTRIC TOBP C730600 57B 1000-Series Option SI-EM3 Installation Manual
Duplicate IP Address
The option shares IP Address with at least one other node.
Check the setting value of F7-03 and F7-04.
LED Operator Display Fault Name
EF0
Option Card External Fault
The alarm function for an external device has been triggered.
Cause Corrective Action
An external fault is being
sent from the upper
controller (PLC)
• Remove the cause of the external fault
• Reset the external fault input from the PLC device
Problem with the PLC
program
Check the program used by the PLC and make the appropriate corrections.
PLC is in the Idle Mode.
• Set the PLC to the Run Mode.
• Set the drive parameter F6-54 to 0 (Enabled) not to detect errors while the PLC is in the
Idle Mode.
LED Operator Display Fault Name
oFA00
Option Card Connection Error (CN5-A)
Option is not properly connected.
Cause Possible Solution
Non-compatible option
connected to the drive
Connect an option that is compatible with the drive.
LED Operator Display Fault Name
oFA01
Option Card Fault (CN5-A)
Option is not properly connected.
Cause Possible Solution
Problem with the
connectors between the
drive and option
Turn the power off and check the connectors between the drive and option.
LED Operator Display Fault Name
oFA03
Option Card Error (CN5-A)
Option self-diagnostics error.
Cause Possible Solution
Option hardware fault Replace the option.
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