ITEM C 3-Series - Page 135

Service functions and error messages
Page 135
Error message
Meaning of the error message
Measures
Main
index
Sub index
Action: See USF0, error 53-0.
3 USF3: Safety condition violated Cause: Violation of monitored speed limits of the SSF3
in operation / when USF3 / SSF3 requested.
Action: See USF0, error 53-0.
54
0 SBC: Safety Condition Violated Cause: Brake should engage; no feedback received
within the expected time.
Action:

Check how the feedback signal is configured
– was the correct input selected for the
feedback signal?
 Does the feedback signal have the correct
polarity?
 Check whether the feedback signal is
actually switching.
 Is the parameterised time delay for the
analysis of the feedback signal appropriate
to the brake used (measure switching time if
necessary)?
2 SS2: Safety Condition Violated Cause: Actual speed outside permitted limits for too
long.