7 troubleshooting – Yaskawa V1000 Option DeviceNet User Manual
Page 29

7 Troubleshooting
YASKAWA ELECTRIC TOBP C730600 28B V1000 Option DeviceNet Installation Manual
29
Network power loss
The power on the DeviceNet network cable is 0.
• Verify power is available between option terminals V+ (red)
and V- (black).
Connection time-out
The DeviceNet option Expected Packet Rate (EPR) timer timed out.
• Ensure that the EPR time is set properly.
Duplicate MAC ID
The DeviceNet option MAC ID and at least one other mode have the same
MAC ID.
• Verify F6-50 is set properly.
LED Operator Display
Fault Name
EF0
External Fault Input from DeviceNet Option.
The alarm function for an external device is triggered.
Cause
Corrective Action
An external fault is being sent from
the programmable logic controller
(PLC).
• Remove the cause of the external fault.
• Reset the external fault input from the PLC.
Problem with the PLC program.
Check the program used by the PLC and make the appropriate corrections.
The PLC is in Idle mode.
• Change the PLC back to Run mode.
• The DeviceNet option can be made to not declare EF0 when the PLC is in
Idle mode by setting drive parameter F6-54 = 1(no detection).
LED Operator Display
Fault Name
oFA00
DeviceNet Option Fault.
DeviceNet 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
DeviceNet Option Fault.
DeviceNet Option is not properly connected.
Cause
Possible Solution
Problem with the connectors between
the drive and DeviceNet Option.
Turn the power off and check the connectors between the drive and
DeviceNet Option.