Okuma Alarm-B 2226 UNUSABLE thread cutting command
A thread cutting command (G31, G32, G33, G34 or G35) is designated with constant peripheral speed ON.
(Thread cutting can not be performed correctly as the spindle speed changes according to the X-axis command designated.)
Probable Faulty Locations
Measures to Take
Correct the program. (Designate a thread cutting command after canceling the constant peripheral speed command.)