CRITICALAlarm code
789

DBL SPDL OPER UNIT ERROR (WNo., UNo., SNo.)

What it means

1. For a flow of “2 Workpiece” machining an end instruction is given before the start instruction. 2. For a flow of “2 Workpiece” machining a restart instruction is given before the end instruction. 3. In a flow of “2 Workpiece” machining, only one spindle is specified in the head selection unit and machining instruction is given for only one spindle.

What to do
  1. 11.
  2. 2Set the “2 Workpiece” machining units in correct order.
  3. 32.
  4. 4Set the “2 Workpiece” machining units in correct order.
  5. 53.
  6. 6Review the program for “2 Workpiece” machining.
  7. 7In a “2 Workpiece” machining unit, be sure to set two head selection units so that machining is performed with two spindles.
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.
Still stuck? Ask the Mazatrol assistant →