How do I fix and clear Mazak alarm 786?

Temporarily cancel the mode of “2 Workpiece” machining to execute the required in-process measurement.

CRITICALAlarm code

786

DBL SPDL OP ILLEGAL MEASUREMENT (WNo., UNo., SNo.)

Q: What does Mazak alarm 786 mean?

Mazak alarm 786 is "DBL SPDL OP ILLEGAL MEASUREMENT (WNo., UNo., SNo.)". There is a measurement unit inserted in the flow of “2 Workpiece” machining. Error type: Registered Data — program or tool data error.

What it means

There is a measurement unit inserted in the flow of “2 Workpiece” machining.

What to do

1Temporarily cancel the mode of “2 Workpiece” machining to execute the required in-process measurement.

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 →