What does Mazak alarm 186 mean?

Mazak alarm 186 is "W-THERMAL COMP. OVER LIMIT". The amount of compensation for workpiece thermal expansion exceeded the effective range of +0.5 to –0.5 mm. Error type: Registered Data — program or tool data error. Machine state: Operation continued — machine still running.

How do I fix and clear Mazak alarm 186?

The operation is continued with the amount of error compensation reduced to the limit (+0.5 to –0.5 mm). Change the reference point for workpiece thermal expansion compensation to a point on the workpiece, or execute the workpiece thermal expansion compensation enable/disable command when the tool tip is in close proximity to the workpiece. Clearing procedure: Tap alarm clear button.

ALARMSMazatrol Assistant

NOTICEAlarm code

186

W-THERMAL COMP. OVER LIMIT

What it means

The amount of compensation for workpiece thermal expansion exceeded the effective range of +0.5 to –0.5 mm.

What to do

1The operation is continued with the amount of error compensation reduced to the limit (+0.5 to –0.5 mm).
2Change the reference point for workpiece thermal expansion compensation to a point on the workpiece, or execute the workpiece thermal expansion compensation enable/disable command when the tool tip is in close proximity to the workpiece.

Codebook — decoded

BError typeRegistered Data — program or tool data error

LStop statusOperation continued — machine still running

SClearingTap alarm clear button

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

Still stuck? Ask the Mazatrol assistant →