Okuma Alarm-B 2288 User reserve code
Alarm designated by output variable #992
When the ATC macro command G171 or M321 was issued, the interlock function was activated, causing this alarm.
The instruction for groove width offset gauging under Y-axis control includes a command related to the tool life management function.
The numerical value substituted to the output variable
MT->MT command was not issued before M321.
M321->When M321 was specified, the turret was not located at the X-axis (XA-axis for 2-saddle model) plus variable limit position.
ATP->Neither ATP nor AHP was specified before G171. A number other than the machine turret numbers is specified as a
ATP value. ATC is impossible at the turret number specified by ATP.
AHP … With G171 command, a value other than 1 to 5 is specified as an AHP value.
Probable Faulty Locations
If the code MT appears, M312 was specified without MT command.
Though MT command was specified, reset, selection of manual operation mode, machine lock or the other operation was conducted before specifying M321.