2
Fault list – safety technology
Fault 66 Safety-related fault
Manual – Fault Descriptions MOVISAFE
®
CS..A
72
Subfault: 66.74
Description: SREF reference travel – error with second reference switch signal
Response: FS – warning
Cause
Measure
Error detected during SREF reference travel due
to wrong reference switch signal.
– Repeat the reference travel.
– Check the cabling of the reference switch and
adjust if necessary.
Subfault: 66.75
Description: SREF reference travel – error with first reference switch signal
Response: FS – warning
Cause
Measure
Error detected during SREF reference travel due
to wrong reference switch signal.
– Repeat the reference travel.
– Check the cabling of the reference switch and
adjust if necessary.
Subfault: 66.76
Description: SREF reference travel – reference switch discrepancy error
Response: FS – input fault
Cause
Measure
Parameterized maximum cam discrepancy with
2-channel evaluation of reference switch signals
was exceeded.
– Check the 2-channel reference switch.
– Check the parameter setting of the safety card
and increase the cam discrepancy if necessary.
Subfault: 66.77
Description: SREF direct referencing – time exceeded between activation and trigger signal
Response: FS – warning
Cause
Measure
No trigger signal detected within 60 seconds from
activation of SREF direct referencing.
Activate SREF direct referencing again and ex-
ecute within 60 seconds.
Subfault: 66.78
Description: SREF reference travel – cam signal despite inactive SREF function
Response: FS – warning
Cause
Measure
Although the status of SREF reference travel is
inactive, a cam was detected after completed ref-
erence travel.
– Deactivate SREF reference travel.
– Check the referencing process.
27799182/EN – 10/2022