CRITICALAlarm code
772

NO HEAD UNIT IN PROGRAM (WNo., UNo., SNo.)

What it means

1. For the execution of a composite program: Machining units are not preceded by a head selection unit (HEAD). 2. For the execution of a composite program: The workpiece transfer unit (TRANSFER) is not followed by a HEAD unit.

What to do
  1. 11.
  2. 2Set a HEAD unit to specify the turning spindle to be used for the succeeding machining units.
  3. 32.
  4. 4Set a HEAD unit after the TRANSFER unit to specify the turning spindle to be used for the succeeding machining units.
Codebook — decoded
BError typeRegistered Data — program or tool data error
I (L)Stop statusunspecified
O (S)Clearingunspecified
Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.
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