F01630 Safe Brake Test Error fault in siemens drive

F01630 Safe Brake Test Error fault in siemens drive indicates that the cyclic brake test (SBT) determined the brake could not hold the required torque. 

Cause
 

1. Brake worn out (air gap too large).
2. Oil/Grease on brake disc.
3. Incorrect torque parameter for test.
 

Remedy
 

1. Inspect motor brake physically. 
2. Adjust test torque parameters. 
3. Replace brake.

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