What does Mazak alarm 65 mean?

Mazak alarm 65 is "OVER VOLTAGE DETECT". Hardware overvoltage was detected at the control unit. Error type: NC Equipment — system hardware/software error. Machine state: Operation continued — machine still running.

How do I fix and clear Mazak alarm 65?

• After completing the machining, turn off the NC power and then back on. • If the alarm occurs repeatedly, check the voltage of power supply. Clearing procedure: Power OFF → fix cause → Power ON.

ALARMSMazatrol Assistant

NOTICEAlarm code

OVER VOLTAGE DETECT

What it means

Hardware overvoltage was detected at the control unit.

What to do

1• After completing the machining, turn off the NC power and then back on. • If the alarm occurs repeatedly, check the voltage of power supply.

Codebook — decoded

EError typeNC Equipment — system hardware/software error

LStop statusOperation continued — machine still running

MClearingPower OFF → fix cause → Power ON

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

Still stuck? Ask the Mazatrol assistant →