Okuma Alarms Errors

Okuma Alarm-B 2911 UNUSABLE M-code An illegal M code is designated. Code Designated M code Probable Faulty Locations Program error

Okuma Alarm-B 2912 UNUSABLE Address character An illegal address character code is designated. Address character: NC-defined variable expressed in an alphabetic character except G, M, N, O, and V Code…

Okuma Alarm-B 2913 UNUSABLE Mnemonic An illegal mnemonic is designated. Code Designated character-string Probable Faulty Locations Program error

Okuma Alarm-B 2908 DIRECTION E The E command value exceeds the setting range. Probable Faulty Locations 1)Operation error 2)Program error

Okuma Alarm-B 2909 DIRECTION Sequence no. The sequence number which is going to be selected does not exist. Code 1->The sequence name contains other than alphanumerics. 2->The sequence name contains…

Okuma Alarm-B 2910 UNUSABLE G-code An illegal G code is designated. Code Designated G code Probable Faulty Locations Program error

Okuma Alarm-B 2916 EXPRESSION Syntax Syntax of an expression is incorrect (In case of loader) Code 1->An attempt is made to excute subscript calculation while in subscript calculation. 2->No ‘[‘…

Okuma Alarm-B 2917 EXPRESSION Right side A command which is not allowed is designated in the right side of the expression. Code XXYY:Factor classification code/Factor parameter Probable Faulty Locations Program…

Okuma Alarm-B 2918 EXPRESSION Left side A command which is not allowed is designated in the left side of the expression. Code XXYY:Factor classification code/Factor parameter Probable Faulty Locations Program…

Okuma Alarm-B 2906 DIRECTION Register (loader) Designated register number is illegal or the register designation method is incorrect. Code 1->Incorrect register number 2->More than one subscript 3->Input register is designated…

Okuma Alarm-B 2907 DIRECTION F The Value designated for F is outside the allowable range. Code 0->Not related with an axis 2->Y-axis 3->Z-axis Probable Faulty Locations 1)Operation error 2)Program error

Okuma Alarm-B 2925 BRANCH Sequence name Sequence name designated is incorrect. (In case of loader) Code 1->No sequence name 2->Designated sequence name is not found. (In case of robot) Code…

Okuma Alarm-B 2915 EXPRESSION Calculation An error occurred in the operation of expression. (loader) Code XXYY XX: bit0->Overflow in addition/subtraction bit1->Overflow in conversion of ABS into integer bit2->Conversion from BCD…

Okuma Alarm-B 2919 EXPRESSION Buffer over Expression size is too large, causing overflow of stack. Code 1->Overflow of operator stack 2->Overflow of operator data stack Probable Faulty Locations Program error

Okuma Alarm-B 2905 DIRECTION Parameter/point An illegal parameter number or point number is designated for the designated axis, or the prameter or point value for the designated axis is outside…

Okuma Alarm-B 2924 PROGRAM DIRECT G-code A G code which cannot be used is entered in the program. Code Designated G code Probable Faulty Locations Program error

Okuma Alarm-B 2933 Program request impossible (In case of loader) When the loader-service request is given from the NC lathe, the loader is not ready for accepting it. Code 1->The…

Okuma Alarm-B 2934 Program external request impossible When transfer of the robot program was requested by an external unit, the robot was not in the condition for accepting the request….

Okuma Alarm-B 2935 No program selection The CYCLE START button is pressed while the program name (number) is not selected in the program operation mode. Probable Faulty Locations Operation error

Okuma Alarm-B 2923 PROGRAM DIRECT Character use A symbol which cannot be used is entered in the program. Code Designated symbol Probable Faulty Locations Program error

Okuma Alarm-B 2926 BRANCH Condition IF instruction designation is incorrect, or condition judgement expression is incorrect. Code 1->No left bracket ‘[‘ is designated following IF. 2->The expression designated between ‘[‘…

Okuma Alarm-B 2927 Parameter setting illegal Data setting command is designated for a parameter number for which setting is not allowed. Object 2->Y-axis(loader) 3->Z-axis 9->C-axis(robot) Code Designated parameter number Probable…

Okuma Alarm-B 2928 Parameter playback impossible An attempt was made to set the data in the playback mode for a parameter for which data setting in the playback mode is…

Okuma Alarm-B 2929 Register setting impossible An attempt was made to set a register (No. 48 or 49) for which setting is not allowed. Probable Faulty Locations 1)Program error 2)Operation…

Okuma Alarm-B 2930 Program plus var. limit over Axis movement command value exceed the soft-limit in the positive direction. (robot)The axis command value exceeds the plus software limit determined by…

Okuma Alarm-B 2931 Program minus var. limit over Axis movement command value exceed the soft-limit in the negative direction. (robot)The axis command value exceeds the minus software limit determined by…

Okuma Alarm-B 2932 Program request illegal When the loader(robot)-service request is given from the NC lathe, no loader(robot) program name is designated. Probable Faulty Locations Program error

Okuma Alarm-B 2920 VARIABLE Buffer over Too many variables are used, causing overflow of stack. Code 1->The number of factor classification codes and factor parameters exceeded 127. 2->The number of…

Okuma Alarm-B 2936 No program The loader(robot) program or the subprogram requested is not found. Code 1->The loader(robot) program or subprogram requested from the NC lathe is not found, or…

Okuma Alarm-B 2921 PROGRAM DIRECT Program name Program name designation is incorrect. Code 1->No subprogram name is designated following “CALL”, or the subprgram assigned the designated subprogram name is not…

Okuma Alarm-B 2922 PROGRAM DIRECT V variable (In case of loader) An illegal number is designated following ZV or YV. Or, the use of subscript is incorrect. Code 1->A subscript…

Okuma Alarm-B 2940 SUB PROGRAM Program name Designation of subprogram name is incorrect. Code 1->Subprogram number is not designated following CALL. 2->The subprogram name contains more than five characters including…

Okuma Alarm-B 2937 Program end code The designated program end code is improper. Code 1->M02 or M30 is not entered at the end of the program. 2->RTS is found in…

Okuma Alarm-B 2938 Program analysis complete Analysis for the next sequence has been completed when an attempt is made to move an axis after changing the operation mode from the…

Okuma Alarm-B 2939 SUB PROGRAM stack The number of RTS commands (return from subprogram)is more than number of CALL commands (subprogram call). Or the nesting level of subprogram call exceed…