JF — Serial Fault: Lost Communication

What does JF mean?

The watchdog timer has timed out, indicating that the serial link has been lost. Check connections and communication settings.

• Serial connection issue
• Incorrect communication settings (P15)

Click steps to track your progress.

1. 1

   Check the serial connection between the device and the computer.

2. 2

   Verify that the settings in the communication software match Parameter P15.

3. 3

   Ensure Parameter P15 is configured correctly for the serial communication.

4. 4

   Restart both the drive and the communication software.