Okuma Alarms Errors

Okuma Alarm-A 1880 Loader hand/machine interference The interference sensor switch mounted on the loader arm or the hand vertical position signal turned OFF due to interference with the machine or…

Okuma Alarm-A 1881 Part turnover device R clamp empty In program operation, there are no workpieces when the R-side turn-over hand close command is executed. If the hand close confirmation…

Okuma Alarm-A 1882 Part turnover device L clamp empty In program operation, there are no workpieces when the L-side turn-over hand close command is executed. If the hand close confirmation…

Okuma Alarm-A 1883 Part turnover device R advanced too far In program operation, when the turn-over unit R-side advance command is executed, the unit advanced excessively. If the turn-advance confirmation…

Okuma Alarm-A 1884 Part turnover device L advanced too far In program operation, when the turn-over unit L-side advance command is executed, the unit advanced excessively. If the turn-advance confirmation…

Okuma Alarm-A 1872 Safety fence interlock The safety fence was opened during loader (robot) operation. Probable Faulty Locations The safety fence is fastened by the electromagnet lock and cannot be…

Okuma Alarm-A 1873 Door interlock The front door of the NC machine was opened during loaders operation. Code 1->The signal of area sensor is OFF during loader running when front…

Okuma Alarm-A 1895 Fire alarm The fire alarm signal turned ON. Code None->above 1->The fire alarm signal turned OFF.

Okuma Alarm-A 1899 Safety fence open The safety fence opened or the peripheral equipment stopped for emergency with the loader in programmed or MDI operation mode. Code Measures to Take…

Okuma Alarm-A 1900 Plus variable limit over An axis is going to be moved beyond the soft-limit in the positive direction. Object 2->Y-axis 3->Z-axis Code Value of SRCON Probable Faulty…

Okuma Alarm-A 1901 Minus variable limit over An axis is going to be moved beyond the soft-limit in the negative direction. Object 2->Y-axis 3->Z-axis Code Value of SRCON Probable Faulty…

Okuma Alarm-A 1887 Workpiece puller interlock Code 1->A workpiece puller advance/retract command was issued with the tailstock sleeve not at the retract end. 2->A workpiece puller advance/retract command was issued…

Okuma Alarm-A 1888 Backup roller interlock Code 1->A backup roller advance command was issued with the workpiece ejector not at the lowered position.

Okuma Alarm-A 1889 Auto workpiece I/O unit FWD pressure low Code 1->The automatic workpiece in/out unit forward pressure low signal turned OFF.

Okuma Alarm-A 1890 Coolant flow insufficient The coolant supply or coolant flow sensor did not turn ON within the coolant flow monitor time (for coolant supply sensor types).

Okuma Alarm-A 1891 Unloader interference position Code None->By LT10, The ZA axis in G13/G140 mode left the regular range (between the specified point and the L spindle) with the unloader…

Okuma Alarm-A 1894 Running mode error Running mode was changed during a coupling operation. Code None->above 1->The operation mode was changed from AUTO to MANUAL during automatic operation. 2->Running mode…

Okuma Alarm-A 1892 Unloader interlock Code 1->Any of the following unloader commands is issued with the unloader ON/OFF switch set at OFF. – Moving unloader carrier leftward/rightward – Advancing/retracting unload…

Okuma Alarm-A 1893 Running mode error Running mode was changed during a coupling operation.

Okuma Alarm-A 1896 Air source pressure low None->Source pressure of the air system is low. (air source pressure/ signal is turned off) 1->The Cleaning air source pressure has dropped. Probable…

Okuma Alarm-A 1897 Lower turret drive belt torn The lower turret drive belt was torn off.

Okuma Alarm-A 1898 OP panel within interference range The operation panel retract position signal turned OFF when the loader has entered or was in the machine. Code 1->The machine operation…

Okuma Alarm-A 1942 Safety speed over Concerning velocity supervision function in CE-mark specification of OGL-loader, a feed rate of loader-axis exceeded safety speed for velocity supervision which was set up…

Okuma Alarm-A 8512 Turret position uncertain In the spec of H1-Turret: There is not a turret on the range that is from 0 to 359.999. Or, there is not a…

Okuma Alarm-A 1920 User reserve code The alarm set for register No.97. This alarm occurs if the following program is executed. R97 = oooo(oooois displayed in a code.) Code The…

Okuma Alarm-A 1922 Torque limit over While the torque skip cycle is executed, the detected torque has exceeded the set limit before the loader axis reaches point D where deceleration…

Okuma Alarm-A 1924 Barrier intrusion The loader entered the interference zone of the NC lathe or the peripheral. Code 1-8->Barrier number causing the interference 10->When loader had entered the machine…

Okuma Alarm-A 1927 M code time over The answer to the specified M failed to come ON within the time set at the parameter No. 88 (Y). Probable Faulty Locations…

Okuma Alarm-A 8504 Tool change command Code 1->A tool change command (M716,M717) was issued for the turret number of the tool change impossible. Or, A tool change command was issued…

Okuma Alarm-A 1928 Cycle time over After the start of loader program, the time set at the parameter No. 89 (Y) elapsed before reception of M02. Probable Faulty Locations Time…

Okuma Alarm-A 1938 Machine start impossible The machine side became an alarm condition or a Coupling OFF condition in the machine cycle start order (M336)practices. Code 1->It became this machine…

Okuma Alarm-A 1939 Hand open/close interlock Hand B opening and shutting order (M310 /M311) was performed except for swinging hand A position or swinging hand B position Code It is…

Okuma Alarm-A 1940 Loader Z-axis stopper set It performed Z axis movement order by the condition that a stopper pin entered it. Measures to Take It pulls out a stopper…

Okuma Alarm-A 1941 Safety guard interlock Concerning CE-mark specification of OGL-loader, the request that is prohibited in the state of safety-guard-unlock was performed from this mathine. Code X 1->In loader…

Okuma Alarm-A 8513 Coolant interlock Code 1->With the ball valve open, coolant command was issued. 2->The ball valve open/close command (M746/M747) was issued During coolant discharge.