Yaskawa V1000 Option DeviceNet - Manual (Page 30)

7 Troubleshooting
30 YASKAWA ELECTRIC TOBP C730600 28B V1000 Option DeviceNet Installation Manual
■ Minor Faults and Alarms
LED Operator Display Fault Name
oFA03
DeviceNet Option Fault.
DeviceNet Option self-diagnostics error.
Cause Possible Solution
DeviceNet Option hardware fault. Replace the DeviceNet Option. Contact Yaskawa for assistance.
LED Operator Display Fault Name
oFA04
DeviceNet Option Fault.
DeviceNet Option Flash write mode.
Cause Possible Solution
DeviceNet Option hardware fault. Replace the DeviceNet Option. Contact Yaskawa for assistance.
LED Operator Display Fault Name
to
oFA30 to oFA43
DeviceNet Option Fault (port A).
Communication ID error.
Cause Possible Solution
DeviceNet Option hardware fault. Replace the DeviceNet Option. Contact Yaskawa for assistance.
LED Operator Display Minor Fault Name
CALL
Serial Communication Transmission Error.
Communication is not established.
Cause Possible Solution
Minor Fault
(H2-†† = 10)
Communication wiring is faulty, there
is a short circuit, or something is not
connected properly. Check for wiring errors.
• Correct the wiring.
• Remove and ground shorts and reconnect loose wires.
YES
Programming error on the master side.
Check communications at start-up and correct
programming errors.
Communication circuitry is damaged.
Perform a self-diagnostics check.
• Replace the drive if the fault continues to occur.