How do I fix and clear Mazak alarm 788?

Temporarily cancel the mode of “2 Workpiece” machining to execute synchronous rotation of both spindles (by selecting SYNCH.).

ALARMSMazatrol Assistant

CRITICALAlarm code

788

DBL SPDL OPER ILLEGAL HEAD UNIT (WNo., UNo., SNo.)

Q: What does Mazak alarm 788 mean?

Mazak alarm 788 is "DBL SPDL OPER ILLEGAL HEAD UNIT (WNo., UNo., SNo.)". The head selection unit in the mode of “2 Workpiece” machining has another setting than SINGLE under TYPE. Error type: Registered Data — program or tool data error.

What it means

The head selection unit in the mode of “2 Workpiece” machining has another setting than SINGLE under TYPE.

What to do

1Temporarily cancel the mode of “2 Workpiece” machining to execute synchronous rotation of both spindles (by selecting SYNCH.).

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 →