What does Mazak alarm 253 mean?

Mazak alarm 253 is "SKIP SENSOR MALFUNCTION". A laser measuring unit error has occurred in the laser tool length measuring system. Error type: Machine (PLC) — machine failure. Machine state: Feed hold — feed stopped, machine ready.

How do I fix and clear Mazak alarm 253?

1. Press the RESET key. 2. Turn the main power disconnect switch off and then back on, and clean the light-emitting section. 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

253

SKIP SENSOR MALFUNCTION

What it means

A laser measuring unit error has occurred in the laser tool length measuring system.

What to do

11.
2Press the RESET key.
32.
4Turn the main power disconnect switch off and then back on, and clean the light-emitting section.
5If 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 →