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
- 11.
- 2Set the “2 Workpiece” machining units in correct order.
- 32.
- 4Set the “2 Workpiece” machining units in correct order.
- 53.
- 6Review the program for “2 Workpiece” machining.
- 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 →