How do I fix and clear Mazak alarm 138?

1. No interruption is permitted during rotation of the indexing (rotary) table. 2. Check the details of program. Clearing procedure: Press RESET to clear.

ALARMSMazatrol Assistant

CRITICALAlarm code

138

CANNOT ROTATE TABLE

Q: What does Mazak alarm 138 mean?

Mazak alarm 138 is "CANNOT ROTATE TABLE". 1. An interruption occurred during rotation of the indexing (rotary) table. 2. A 3D coordinate conversion command (G68/G69) was specified while G0 was temporarily canceled in tool tip point control during machining of an inclined plane or workpiece placement error correction. Error type: Operation — wrong key or incorrect operation. Machine state: Feed hold — feed stopped, machine ready.

What it means

1. An interruption occurred during rotation of the indexing (rotary) table. 2. A 3D coordinate conversion command (G68/G69) was specified while G0 was temporarily canceled in tool tip point control during machining of an inclined plane or workpiece placement error correction.

What to do

11.
2No interruption is permitted during rotation of the indexing (rotary) table.
32.
4Check the details of program.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

KStop statusFeed hold — feed stopped, machine ready

PClearingPress RESET to clear

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

Still stuck? Ask the Mazatrol assistant →