How do I fix and clear Mazak alarm 938?

Do not change the setting value of parameter F40. Clearing procedure: Press RESET to clear.

CRITICALAlarm code

938

PARAMETER ERROR ( , )

Q: What does Mazak alarm 938 mean?

Mazak alarm 938 is "PARAMETER ERROR ( , )". An attempt was made to start automatic operation although the setting at parameter F40, the operation selection parameter in tape mode, was “2”. Error type: Operation — wrong key or incorrect operation. Machine state: Feed hold — feed stopped, machine ready.

What it means

An attempt was made to start automatic operation although the setting at parameter F40, the operation selection parameter in tape mode, was “2”.

What to do

1Do not change the setting value of parameter F40.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

KStop statusFeed hold — feed stopped, machine ready

PClearingPress RESET to clear

Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.

Still stuck? Ask the Mazatrol assistant →