Code

Name

Causes

Possible Solutions

EF0

Option Card External Fault

The communication option received an external fault from the controller.

  1. Find the device that caused the external fault and remove the cause.

  2. Clear the external fault input from the controller.

A programming error occurred on the controller side.

Examine the operation of the controller program.
Note:

  • The drive detects this fault if the alarm function on the external device side is operating.

  • Do a Fault Reset to clear the fault.

  • If the drive detects this fault, it will operate the motor as specified by the stop method set in F6-03 [Comm External Fault (EF0) Select].