How do I fix and clear Mazak alarm 643?

Review the machining program, and fill in any incomplete sequence with data or erase such sequences.

CRITICALAlarm code

643

DATA ERROR IN MAN. PROG. UNIT (WNo., UNo., SNo.)

Q: What does Mazak alarm 643 mean?

Mazak alarm 643 is "DATA ERROR IN MAN. PROG. UNIT (WNo., UNo., SNo.)". The manual program mode unit contains a sequence that has no data. Error type: Registered Data — program or tool data error.

What it means

The manual program mode unit contains a sequence that has no data.

What to do

1Review the machining program, and fill in any incomplete sequence with data or erase such sequences.

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 →