Error message

Ref mark %.2s: incorrect spacing

Cause of error

During a reference-mark run on an encoder with distance-coded reference marks a distance of more than 1 000 grating periods was covered without passing over a reference mark.
- Scanning head misaligned (distance, parallelism, etc.)
- Encoder is contaminated or defective in the area of the reference mark

Error correction

- Inform your service agency