Okuma Alarms Errors

Okuma Alarm-B 2760 Sub-spindle rotation tool interlock Sub-spindle revolution tool revolution command was designated on turret B-side by the state that there is not in G141 mode on turret A-side….

Okuma Alarm-B 2749 Hydraulic oil level lower limit Code 1->The hydraulic oil level/ signal kept OFF for a second or longer. 2->The hydraulic oil level/ signal kept OFF for 3…

Okuma Alarm-B 2747 Index disable position Concering B-axis 1/1000 spec and pendulum-control spec,Index disable point was designated. Code None Probable Faulty Locations 1)Program error Measures to Take Please order Index…

Okuma Alarm-B 2769 Invalid spindle control command Code 2->Spindle control command is designated while spindle jog is rotating. 3->Spindle jog command is designated while spindle is rotating.

Okuma Alarm-B 2770 SVP time constant switching command Code None->SVP time constant switching command was issued with the C-axis connected.

Okuma Alarm-B 2776 M command not completed Even if the operation instructed in by M instruction passed the fixed time, it was not possible to complete it. The signal that…

Okuma Alarm-B 2777 Cross rail positioning sensor error The automatic positioning of the crossrail was not completed properly. Or the crossrail was away from after positioning. Code 1->The crossrail was…

Okuma Alarm-B 2778 Cross rail motor overload The overload relay for the crossrail vertical drive motor became activated. Probable Faulty Locations 1)The crossrail vertical drive motor is overloaded. 2)The crossrail…

Okuma Alarm-B 2779 Axis lube motor overload The overload relay for the axis lubrication motor is tripped. Index None = X-, Z-axis ‘WCR’ = Cross rail Probable Faulty Locations Detective…

Okuma Alarm-B 2780 Axis lube pressure ON confirmation The pressure switch is not turn on within a predetermined period (motor ON time*2) after the lubrication pump motor is turned on….

Okuma Alarm-B 2781 No AT command M1061 (attachment change command) was specified for AAC without designation of T command (next attachment command). Code 1->M1061 command was issued without AT command….

Okuma Alarm-B 2783 Oil hole motor overload The overload relay for the through-the-tool coolant pump motor is tripped. Code 1->Oil hole (through spindle coolant) ON confirmation signal OFF more than…

Okuma Alarm-B 2784 Invalid MT command MT commands are not used properly. Code 1->The same MT command as the active tool number was executed. 2->MT command was executed twice. 3->MT…

Okuma Alarm-B 2785 Invalid AT command AT commands are not used properly. Code 1->The tool specified with the T command is mounted in the active attachment. 2->AT command was executed…

Okuma Alarm-B 2786 No S command An S command is not specified when a spindle rotation command (M03, M04) is executed. Measures to Take Check the program.

Okuma Alarm-B 2771 APC clamp confirmation Index Axis Character-string APC : The seated condition confirmation signal was not turned ON although work seating was retried because the pallet seated confirmation…

Okuma Alarm-B 2787 No SB command An SB command is not specified when a spindle rotation command (M13, M14) is executed. An SB command is not specified when a spindle…

Okuma Alarm-B 2772 APC system mode The APC system mode is being selected. This alarm is indicated when the APC system mode is selected.

Okuma Alarm-B 2788 Invalid SB command An SB command which cannot be executed with the specification selected is specified. Or SB command was executed when actual ATC tool is lathe…

Okuma Alarm-B 2773 APC M command M-coded commands for APC were incorrectly used. Code 1->M934 command was issued in a position other than the APC start position. Measures to Take…

Okuma Alarm-B 2774 Thread cutting cycle interlock The command of thread cutting was performed by the state that thread cutting was impossible, or the condition of thread cutting turned off…

Okuma Alarm-B 2775 Sensor head interlock An attempt has been made to advance or retract the sensor head while its advance/retract is not possible, or An attempt has been made…

Okuma Alarm-B 2782 Axis lube pressure OFF confirmation The pressure switch is not off when an axis lubrication motor is turned on. Or the pressure switch is not turned off…

Okuma Alarm-B 2803 ATC tool data setting When the manual tool change or ATC operation is attempted, there is an error in the tool data such as next tool command…

Okuma Alarm-B 2791 M spindle head cooling unit The overload relay for the spindlehead lubricant cooling motor became activated. Code 1->The combination unit lubrication pump operation signal remained OFF for…

Okuma Alarm-B 2802 Invalid long boring bar command Code 1->A wrong attachment number was specified with the AT command. 2->M798/M799 command disable Any of the following conditions is not satisfied…

Okuma Alarm-B 2790 Shower coolant motor overload The overload relay for the shower coolant pump motor is tripped. Code 1->Shower coolant ON confirmation signal remained OFF for more than 3[s]…

Okuma Alarm-B 2793 Incorrect attachment index position When attachment indexing was completed, the actual position differs from the actual position data read from the proximity switch for detecting attachment position….

Okuma Alarm-B 2794 Mist air lube unit The mist air lubrication unit turned OFF the normal operation signal or turned ON the unit abnormal signal. Code 1->The X-/Z-axis oil mist…

Okuma Alarm-B 2795 Warming up error An error occurred at the start of the warming up program. Code 1->The operation door was open at the start of the warming up…

Okuma Alarm-B 2796 Sequence restart Wrong sequence restart command. Code 1-> Active tool number and the tool number that had been decided by the processing program entered the state of…

Okuma Alarm-B 2797 Axis interlock release This alarm occurs during special operation enabled by setting data at NO.1 Machine axis system check mode of the machine user parameter (System check…

Okuma Alarm-B 2798 Invalid BC command Numerical value of designated BC command calling for M spindle orientation is either BC < 0-deg, or BC >= 360-deg. Code Problem BC value…

Okuma Alarm-B 2800 Alarm detected from externally connected device A problem has occurred with an external device. Code 1->A problem has occurred with an external device. 2->A problem has occurred…

Okuma Alarm-B 2801 Turret rotation interlock The turret index command was issued by the state that turret index was impossible. Code 1->Concerning H1 turret specification machine type, the turret index…