SI CU: Brake Control Error

What does 201630 mean?

The drive's Safety Integrated (SI) function on the Control Unit (CU) has detected a brake control fault, leading to a STOP A reaction. Causes vary widely depending on the fault value, encompassing issues such as incorrect parameter p1278, missing or broken brake connections, ground faults in the brake cable, short-circuits in the brake winding, or internal faults within the CU's brake control circuit or its communication with the Motor Module.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   If relevant to the fault value, check for short-circuits within the brake winding.

2. 4

   Investigate the brake control circuit of the Control Unit and the DRIVE-CLiQ communication between the CU and Motor Module for errors.

3. 5

   Ensure the motor cable is correctly shielded to prevent EMC issues, and inspect the control circuit of the Motor Module for defects.