How do I fix and clear Mazak alarm 166?

Give the M810 command after the use of the lower turret on the other side. Clearing procedure: Fix cause → press RESET.

CRITICALAlarm code

166

LOWER TURRET ALREADY ASSIGNED

Q: What does Mazak alarm 166 mean?

Mazak alarm 166 is "LOWER TURRET ALREADY ASSIGNED". An M810 command was given from one HD side to operate the lower turret that was currently used on the other HD side. Error type: Operation — wrong key or incorrect operation. Machine state: Feed hold — feed stopped, machine ready.

What it means

An M810 command was given from one HD side to operate the lower turret that was currently used on the other HD side.

What to do

1Give the M810 command after the use of the lower turret on the other side.

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 →