How do I fix and clear Mazak alarm 641?

Review the machining program and set all the necessary values in the unit.

CRITICALAlarm code

641

MISSING INPUT DATA (WNo., UNo., SNo.)

Q: What does Mazak alarm 641 mean?

Mazak alarm 641 is "MISSING INPUT DATA (WNo., UNo., SNo.)". The pallet changing unit or the indexing unit lacks of unit data. Initial point Z is not yet set in the common unit. CPT-X, CPT-Z or rotational direction is not yet set in the mill-turning unit. When "SHIFT - R.T." is set in the WPC shift unit with the machine equipped with table selection function, the rotational center is not set in the table selection unit. The table is not set in the table selection unit. Error type: Registered Data — program or tool data error.

What it means

The pallet changing unit or the indexing unit lacks of unit data. Initial point Z is not yet set in the common unit. CPT-X, CPT-Z or rotational direction is not yet set in the mill-turning unit. When "SHIFT - R.T." is set in the WPC shift unit with the machine equipped with table selection function, the rotational center is not set in the table selection unit. The table is not set in the table selection unit.

What to do

1Review the machining program and set all the necessary values in the unit.

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 →