How do I fix and clear Mazak alarm 155?

Correct the machining program. If the program is correct, review the parameters related to the barrier. Clearing procedure: Fix cause → press RESET.

ALARMSMazatrol Assistant

CRITICALAlarm code

155

BARRIER TURRET/TOOL HEAD (Note, )

Q: What does Mazak alarm 155 mean?

Mazak alarm 155 is "BARRIER TURRET/TOOL HEAD (Note, )". The barriers of the upper and lower turrets interferes with each other. Note : For details of the cause, refer to Note 2 "Interfering component 2" in the explanation of alarm 148 CHUCK BARRIER. Error type: Operation — wrong key or incorrect operation. Machine state: Feed hold — feed stopped, machine ready.

What it means

The barriers of the upper and lower turrets interferes with each other. Note : For details of the cause, refer to Note 2 "Interfering component 2" in the explanation of alarm 148 CHUCK BARRIER.

What to do

1Correct the machining program.
2If the program is correct, review the parameters related to the barrier.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

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 →