How do I fix and clear Mazak alarm 1139?

No action procedure is recorded in the manual for this alarm. Contact a Mazak Technical Center. Clearing procedure: Tap alarm clear button.

ALARMSMazatrol Assistant

CRITICALAlarm code

1139

ILLEGAL COMMAND (SAFETY SHIELD)

Q: What does Mazak alarm 1139 mean?

Mazak alarm 1139 is "ILLEGAL COMMAND (SAFETY SHIELD)". With parameter settings of F156 bit0 = 0 and F156 bit1 = 1, a cutting command that incorporates a rotary axis travel was executed while one of the following interpolation modes was active. • With the C-/U-axis Interpolation other than G7.1 (cylindrical interpolation) or G12.1 (polar coordinate interpolation) active • With the B-axis Interpolation active Add the material model cutting invalid M-code in the program before starting the operation. It is also possible to select whether the operation should be continued or stopped by an alarm by using the following parameter settings. 0 | 1 --- | --- F156 bit0 | Continue operation with material cutting enabled only at the end position. F156 bit1 | Continue operation with material cutting disabled. According to the setting of F156 bit1 | Stop with an alarm Error type: Operation — wrong key or incorrect operation. Machine state: Feed hold — feed stopped, machine ready.

What it means

With parameter settings of F156 bit0 = 0 and F156 bit1 = 1, a cutting command that incorporates a rotary axis travel was executed while one of the following interpolation modes was active. • With the C-/U-axis Interpolation other than G7.1 (cylindrical interpolation) or G12.1 (polar coordinate interpolation) active • With the B-axis Interpolation active Add the material model cutting invalid M-code in the program before starting the operation. It is also possible to select whether the operation should be continued or stopped by an alarm by using the following parameter settings. 0 | 1 --- | --- F156 bit0 | Continue operation with material cutting enabled only at the end position. F156 bit1 | Continue operation with material cutting disabled. According to the setting of F156 bit1 | Stop with an alarm

What to do

No action procedure recorded. Contact a Mazak Technical Center.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

KStop statusFeed hold — feed stopped, machine ready

SClearingTap alarm clear button

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

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