What does Mazak alarm 191 mean?

Mazak alarm 191 is "FILE SYSTEM I/O ERROR (Alarm No., )". An internal error(s) has occurred during program data change by the function of VFC, MMS etc. Error type: NC Equipment — system hardware/software error. Machine state: Reset stop — waiting for reset.

How do I fix and clear Mazak alarm 191?

After checking the entire data of the program being executed, tool data, tool file, parameters, etc., save the data using the data I/O operation and then Contact the nearest Mazak Technical Center or Technology Center. Clearing procedure: Press RESET to clear.

ALARMSMazatrol Assistant

CRITICALAlarm code

191

FILE SYSTEM I/O ERROR (Alarm No., )

What it means

An internal error(s) has occurred during program data change by the function of VFC, MMS etc.

What to do

1After checking the entire data of the program being executed, tool data, tool file, parameters, etc., save the data using the data I/O operation and then Contact the nearest Mazak Technical Center or Technology Center.

Codebook — decoded

EError typeNC Equipment — system hardware/software error

IStop statusReset stop — waiting for reset

PClearingPress RESET to clear

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

Still stuck? Ask the Mazatrol assistant →