How do I fix and clear Mazak alarm 839?

Check the maximum available number of sets of compensation numbers, and designate a compensation number smaller than that.

ALARMSMazatrol Assistant

CRITICALAlarm code

839

ILLEGAL OFFSET No. (WNo., NNo., BNo.)

Q: What does Mazak alarm 839 mean?

Mazak alarm 839 is "ILLEGAL OFFSET No. (WNo., NNo., BNo.)". A compensation command (G41 or G42) has been designated without a compensation number (D○○); or the compensation number is larger than the maximum number of sets of compensation numbers available in the specifications. Error type: Registered Data — program or tool data error.

What it means

A compensation command (G41 or G42) has been designated without a compensation number (D○○); or the compensation number is larger than the maximum number of sets of compensation numbers available in the specifications.

What to do

1Check the maximum available number of sets of compensation numbers, and designate a compensation number smaller than that.

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 →