Terminal Board not Connected

What does CPF25 mean?

This fault indicates that the terminal board is not properly connected to the drive. A loose or disconnected terminal board will disrupt essential I/O functionality and communication, preventing normal drive operation.

• Terminal board connector not fully seated in its receptacle on the drive main board.
• Physical damage to the terminal board connector pins or the drive's mating receptacle.
• Broken latching mechanism on the terminal board preventing secure connection.
• Accumulation of dust or debris in the connector socket preventing full electrical contact.
• Damage to the flexible PCB cable (if present) connecting the terminal board to the main board.

Click steps to track your progress.

1. 1

   1. Power down the drive and wait for DC bus capacitors to discharge (verify 0V at P+, N-).

2. 2

   2. Carefully unseat the terminal board from the drive.

3. 3

   3. Inspect the terminal board connector pins and the drive's receptacle for bent pins, damage, or debris.

4. 4

   4. Clean the connector contacts using a non-residue electronic cleaner and a soft brush.

5. 5

   5. Firmly re-seat the terminal board, ensuring it clicks into place and is flush with the drive housing.

6. 6

   6. Check for continuity across critical I/O terminals (e.g., DI1 to COM, 24VDC to COM) after reconnection.