How do I fix and clear Mazak alarm 1800?

Review and correct the program. Clearing procedure: Press RESET to clear.

CRITICALAlarm code

1800

CANNOT CHANGE TIME CONSTANT (WNo., NNo., BNo.)

Q: What does Mazak alarm 1800 mean?

Mazak alarm 1800 is "CANNOT CHANGE TIME CONSTANT (WNo., NNo., BNo.)". The G-command has been set in the block containing a time constant changeover/cancellation command. The time constant changeover/cancellation command has been set in the fixed cycle. The time constant changeover/cancellation command has been set during MAZATROL programmed simultaneous machining or MAZATROL programmed “2 workpiece” machining. Error type: Registered Data — program or tool data error. Machine state: Reset stop — waiting for reset.

What it means

The G-command has been set in the block containing a time constant changeover/cancellation command. The time constant changeover/cancellation command has been set in the fixed cycle. The time constant changeover/cancellation command has been set during MAZATROL programmed simultaneous machining or MAZATROL programmed “2 workpiece” machining.

What to do

1Review and correct the program.

Codebook — decoded

BError typeRegistered Data — program or tool data error

IStop statusReset stop — waiting for reset

PClearingPress RESET to clear

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

Still stuck? Ask the Mazatrol assistant →