Okuma Alarm-C 3697 MCS Linear scale 2 error

Okuma Alarm-C 3697 MCS Linear scale 2 error
Illegal data was detected in Liner scale 2(HEIDENHAIN).

Object
Axis

Character-string
None

Probable Faulty Locations
Linear scale 2(HEIDENHAIN).

Corrective Action
Change Linear scale 2(HEIDENHAIN).