9 Fault Diagnosis and Possible Solutions
YASKAWA ELECTRIC
TOBP C730600 24D 1000-Series Option SI-S3/V, SI-S3/T Installation Manual
35
LED Operator Display
Fault Name
EF0
External Fault Input from CANopen Option
The alarm function for an external device has been triggered.
Cause
Possible Solution
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 upper controller (PLC) device.
Problem with the upper controller
(PLC) program.
⇒
Check the program used by the upper controller (PLC) and make the
appropriate corrections.
LED Operator Display
Fault Name
oFA00
CANopen Option Fault
CANopen 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
CANopen Option Fault
CANopen Option is not properly connected.
Cause
Possible Solution
Problem with the connectors between
the drive and CANopen Option.
⇒
Turn the power off and check the connectors between the drive and
CANopen Option.
LED Operator Display
Fault Name
oFA03
CANopen Option Fault
CANopen Option self-diagnostics error.
Cause
Possible Solution
CANopen Option hardware fault.
⇒
Replace the CANopen Option. Contact Yaskawa for assistance.
