How do I fix and clear Mazak alarm 535?

Release the write-protected state. (For cassette tape, fill in the hole on the tape surface with tape.) Clearing procedure: Tap alarm clear button.

ALARMSMazatrol Assistant

NOTICEAlarm code

535

CMT WRITE PROTECT

Q: What does Mazak alarm 535 mean?

Mazak alarm 535 is "CMT WRITE PROTECT". Data saving onto a write-protected cassette tape or floppy disk has been attempted. The cassette tape or floppy disk is protected against data writing. Error type: Operation — wrong key or incorrect operation. Machine state: Operation continued — machine still running.

What it means

Data saving onto a write-protected cassette tape or floppy disk has been attempted. The cassette tape or floppy disk is protected against data writing.

What to do

1Release the write-protected state. (For cassette tape, fill in the hole on the tape surface with tape.)

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

LStop statusOperation continued — machine still running

SClearingTap alarm clear button

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

Still stuck? Ask the Mazatrol assistant →