Keypad/Device Communication Abort

What does ErP mean?

A communication abort has occurred between the keypad and the standard device (e.g., fault codes ErP0 through ErP19), indicating a failure in data exchange. The specific cause can vary. This prevents proper interaction with the device via the keypad and requires expert assistance for diagnosis.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Ensure the keypad is not removed during data transmission or operation.