Keypad Communication Fault

What does 52 mean?

The communication link between the control keypad and the AC drive has been broken. This can be due to a faulty physical connection or a damaged keypad cable, preventing the keypad from sending or receiving data from the drive.

• Communication failure between the controller and its keypad/HMI.
• Keypad connection loose or damaged.
• Incorrect keypad address configuration.

Click steps to track your progress.

1. 1

   Check the physical connection of the keypad to the AC drive, ensuring it is securely seated.

2. 2

   Inspect the keypad cable for any visible damage, kinks, or loose connections at both ends.