How do I fix and clear Mazak alarm 264?

Check the low-speed gear of the turning spindle. If the alarm is not released, contact the nearest Mazak Technical Center or Technology Center. Clearing procedure: Fix cause → press RESET.

ALARMSMazatrol Assistant

CRITICALAlarm code

264

GEAR SENSOR(LOW SPEED) MALF.

Q: What does Mazak alarm 264 mean?

Mazak alarm 264 is "GEAR SENSOR(LOW SPEED) MALF.". The low-speed gear of the turning spindle is faulty. 1. The low-speed gear check sensor does not turn ON when the low-speed gear select command is executed. 2. The low-speed gear check sensor turned OFF in the low-speed gear selected state. Error type: Machine (PLC) — machine failure. Machine state: Feed hold — feed stopped, machine ready.

What it means

The low-speed gear of the turning spindle is faulty. 1. The low-speed gear check sensor does not turn ON when the low-speed gear select command is executed. 2. The low-speed gear check sensor turned OFF in the low-speed gear selected state.

What to do

1Check the low-speed gear of the turning spindle.
2If the alarm is not released, contact the nearest Mazak Technical Center or Technology Center.

Codebook — decoded

FError typeMachine (PLC) — machine failure

KStop statusFeed hold — feed stopped, machine ready

OClearingFix cause → press RESET

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

Still stuck? Ask the Mazatrol assistant →