Okuma OSP Alarm Pirectory
Okuma Alarm P Codes
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Okuma Alarm P Codes
(OSP-P300S / P300L)
Alarm P codes on Okuma CNC machines with OSP-P300S and OSP-P300L controls are associated with NC start-up, initialization, system boot and internal control processes. Select an alarm from the list below to view its meaning, possible causes and recommended diagnostic steps.
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Some Alarm P messages indicate internal communication, PLC, memory or system initialization faults that require professional diagnostics.
Detailed fault diagnosticsBoard-level inspectionOn-site repair
- Okuma Alarm P-0700 – NC start-up error
- Okuma Alarm P-0701 – P100 Menu Initialization Failure
- Okuma Alarm P-0702 – Power failure upon start-up
- Okuma Alarm P-0703 – Load Information File Not Found
- Okuma Alarm P-0704 – File load error
- Okuma Alarm P-0705 – Default scheduling table error
- Okuma Alarm P-0706 – Backup data file error
- Okuma Alarm P-0707 – DTL link/unlink error
- Okuma Alarm P-0708 – RT thread stack overflow
- Okuma Alarm P-0709 – Hardware exception
- Okuma Alarm P-0710 – System call error
- Okuma Alarm P-0711 – AlarmService library error
- Okuma Alarm P-0712 – AlarmService internal error (exception)
- Okuma Alarm P-0713 – AlarmService Error
- Okuma Alarm P-0714 – Blue screen
- Okuma Alarm P-0715 – P100 Menu Error
- Okuma Alarm P-0716 – Floating point exception
- Okuma Alarm P-0717 – PLC control error
- Okuma Alarm P-0718 – Real time thread time over
- Okuma Alarm P-0719 – HXCP thread error
- Okuma Alarm P-0720 – AlarmService internal error
- Okuma Alarm P-0721 – DeviceNet error
- Okuma Alarm P-0723 – DeviceNet I/O data link file read
- Okuma Alarm P-0725 – M code data file
- Okuma Alarm P-0726 – Safety speed data error
- Okuma Alarm P-0727 – MCS Firmware Does Not Support POS2 Unit
- Okuma Alarm P-0727: MCS Firmware Does Not Support POS2 Unit
- Okuma Alarm P-0728 – FL-net Error
- Okuma Alarm P-0729 – Non-responsive software detected.
- Okuma Alarm P-0731 – R Spec. error
- Okuma Alarm P-0735 – MCS DD encoder link error
- Okuma Alarm P-0736 – MCS DD encoder error
- Okuma Alarm P-0737 – MCS DD encoder (slave sensor) detected error
- Okuma Alarm P-0738 – MCS DD encoder initialization failure
- Okuma Alarm P-0739 – MCS DD Encoder (Slave Sensor) Initialization Failure
- Okuma Alarm P-0741 – MCS firmware version error
- Okuma Alarm P-0742 – Relocation detection error
- Okuma Alarm P-0744 – MCS power supply unit overload
- Okuma Alarm P-0750 – The spec.-code or select-soft. was wrong
- Okuma Alarm P-0752 – VDU communication error
- Okuma Alarm P-0753 – VDU detected error
- Okuma Alarm P-0754 – VDU initialization failure
- Okuma Alarm P-0755 – SIO link error
- Okuma Alarm P-0756 – PSC optical scale encoder error
- Okuma Alarm P-0757 – MF-SAFETY Error
- Okuma Alarm P-0758 – Safety I/O Error
- Okuma Alarm P-0759 – Safety Servo Link Error
- Okuma Alarm P-0782 – Magnetic encoder speed detection error
- Okuma Alarm P-0783 – MCS Rotary encoder 5 initialization failure
- Okuma Alarm P-0784 – MCS Rotary encoder 5 error
- Okuma Alarm P-0785 – MCS Rotary encoder 4 initialization failure
- Okuma Alarm P-0786 – MCS Rotary encoder 4 error
- Okuma Alarm P-0787 – MCS Rotary encoder 3 initialization failure
- Okuma Alarm P-0788 – MCS Rotary Encoder 3 Error
- Okuma Alarm P-0789 – MCS Rotary encoder 2 error
- Okuma Alarm P-0790 – MCS Rotary Encoder 1 Initialization Failure
- Okuma Alarm P-0791 – MCS Rotary encoder 1 error
- Okuma Alarm P-0792 – MCS Linear scale 4 initialization failure
- Okuma Alarm P-0793 – MCS Linear scale 4 error
- Okuma Alarm P-0794 – MCS Linear scale 3 initialization failure
- Okuma Alarm P-0795 – MCS Linear scale 3 error
- Okuma Alarm P-0796 – MCS Linear scale 2 initialization failure
- Okuma Alarm P-0797 – MCS Linear scale 2 error
- Okuma Alarm P-0798 – MCS Linear scale 1 initialization failure
- Okuma Alarm P-0799 – MCS Linear scale 1 error
- Okuma Alarm P-0799: MCS Linear Scale 1 Error
- Okuma Alarm P-0800 – Spindle D/A control data file read
- Okuma Alarm P-0801 – TCP/IP board detected error
- Okuma Alarm P-0802 – Load Information File Not Found
- Okuma Alarm P-0803 – File load error
- Okuma Alarm P-0804 – MSB file mismatch
- Okuma Alarm P-0805 – MOP-Tool parameter PBU load
- Okuma Alarm P-0806 – MOP-Tool tool data PBU load
- Okuma Alarm P-0807 – ACP panel status receipt error
- Okuma Alarm P-0808 – Speed change ratio failure
- Okuma Alarm P-0810 – NC I/O data file read
- Okuma Alarm P-0812 – MCS initialization error
- Okuma Alarm P-0813 – MCS Communication error
- Okuma Alarm P-0814 – MCS data file corrupt
- Okuma Alarm P-0815 – PLC real-time task loop error
- Okuma Alarm P-0816 – PLC initialization error
- Okuma Alarm P-0817 – MCS error
- Okuma Alarm P-0818 – ADP initialization failure
- Okuma Alarm P-0820 – Machine data file read
- Okuma Alarm P-0821 – Spindle gear ratio
- Okuma Alarm P-0822 – Wheel data file read
- Okuma Alarm P-0823 – AXIS CONSTRUCTION DATA setting error
- Okuma Alarm P-0824 – Unit connection mistake
- Okuma Alarm P-0825 – AXIS CONSTRUCTION name not set
- Okuma Alarm P-0826 – Axis Construction Data File Read Error
- Okuma Alarm P-0827 – Control Axis Not Found
- Okuma Alarm P-0828 – Wire feed axis No. error
- Okuma Alarm P-0833 – MCS option program file not sent
- Okuma Alarm P-0834 – MCS servo data error
- Okuma Alarm P-0835 – MCS communication error
- Okuma Alarm P-0836 – Program Request Illegal
- Okuma Alarm P-0837 – Loader spec. code data error
- Okuma Alarm P-0838 – Loader backup data file read error
- Okuma Alarm P-0839 – Specification conditions failure
- Okuma Alarm P-0840 – SuperHi-NC specification mismatch
- Okuma Alarm P-0841 – FCP4 Board Detected Error
- Okuma Alarm P-0842 – Safety monitor spec. error
- Okuma Alarm P-0845 – Specification Code Setting Failure
- Okuma Alarm P-0846 – Thermal Deviation Compensation Backup Data File Read
- Okuma Alarm P-0847 – DNC-DT preload task start error
- Okuma Alarm P-0848 – PSCB error
- Okuma Alarm P-0849 – Synchronous Axis Tandem Control Initialization Failure
- Okuma Alarm P-0850 – MCS Undefined alarm number
- Okuma Alarm P-0851 – MCS Inverter unit fault
- Okuma Alarm P-0852 – Mistake in Data From MCS to NC
- Okuma Alarm P-0853 – MCS CON APA deviation
- Okuma Alarm P-0854 – MCS Power supply unit error
- Okuma Alarm P-0855 – MCS Converter Link Error
- Okuma Alarm P-0856 – MCS DC-Bus Voltage Alarm
- Okuma Alarm P-0857 – MCS Motor Overcurrent
- Okuma Alarm P-0858 – MCS Power Unit Overheat
- Okuma Alarm P-0859 – MCS Power Unit Overload
- Okuma Alarm P-0860 – MCS Supply Voltage Flutter
- Okuma Alarm P-0861 – MCS Inverter Capacity Differs From Spec
- Okuma Alarm P-0862 – MCS Winding Change Failure
- Okuma Alarm P-0863 – MCS Encoder Link Error
- Okuma Alarm P-0864 – MCS Encoder Detected Error
- Okuma Alarm P-0865 – MCS Encoder Initialization Failure
- Okuma Alarm P-0866 – MCS Encoder with Shaft Detected Error
- Okuma Alarm P-0867 – MCS Encoder with Shaft Initialization Failure
- Okuma Alarm P-0868 – MCS ABSO SCALE Error
- Okuma Alarm P-0869 – MCS ABSO SCALE Initialization Failure
- Okuma Alarm P-0870 – MCS Magnetic Encoder Alarm
- Okuma Alarm P-0871 – MCS Resolver Alarm
- Okuma Alarm P-0872 – MCS Pulse Generator Count Over
- Okuma Alarm P-0873 – MCS Motor Overheat
- Okuma Alarm P-0874 – MCS Servo Link Error
- Okuma Alarm P-0875 – MCS Servo Link Disconnection
- Okuma Alarm P-0876 – NC-to-MCS Data Error
- Okuma Alarm P-0877 – MCS Servo Data Error
- Okuma Alarm P-0878 – MCS Illegal command
- Okuma Alarm P-0879 – MCS CON Speed Over
- Okuma Alarm P-0880 – MCS Speed Command Over
- Okuma Alarm P-0881 – MCS DIFF Over
- Okuma Alarm P-0882 – MCS APA Speed Over
- Okuma Alarm P-0883 – MCS Full-Closed APA Error
- Okuma Alarm P-0884 – MCS Over Speed
- Okuma Alarm P-0885 – MCS Speed Deviation Over
- Okuma Alarm P-0886 – MCS Collision Detected
- Okuma Alarm P-0887 – MCS Urgent-Stop Time Over
- Okuma Alarm P-0888 – MCS Belt Broken
- Okuma Alarm P-0889 – MCS Axis Change Control Error
- Okuma Alarm P-0890 – MCS Independent Encoder Initialization Failure
- Okuma Alarm P-0891 – MCS Calculated Current Position Outside Range
- Okuma Alarm P-0892 – MCS Motor Overload
- Okuma Alarm P-0893 – MCS Safety Speed Monitor E-Link Error
- Okuma Alarm P-0894 – MCS ABSO Scale Sub-Slider Detected Error
- Okuma Alarm P-0895 – MCS Tandem Control Communication Error
- Okuma Alarm P-0896 – MCS Full Absolute Scale Link Error
- Okuma Alarm P-0897 – MCS Full Absolute Scale Error
- Okuma Alarm P-0898 – MCS Full abso scale initialization failure
- Okuma Alarm P-0899 – MCS Axis Stop Signal Error
- Okuma Alarm P-0940 – Time-Sharing Task Control Error
- Okuma Alarm P-0941 – Real-Time Task Control Error
- Okuma Alarm P-0942 – Real-Time Task Loop Error
- Okuma Alarm P-0943 – Main Processor Name Incorrect
- Okuma Alarm P-0944 – Slave Processor Name Incorrect
- Okuma Alarm P-0945 – Memory Board Battery Life Expired
- Okuma Alarm P-0951 – SMP Error
- Okuma Alarm P-0952 – Not Equipped With Processor Board
- Okuma Alarm P-0954 – Peripheral Processor Start Error
- Okuma Alarm P-0955 – Spec Code Data File Error
- Okuma Alarm P-0956 – Backup data file read
- Okuma Alarm P-0957 – Graphic Backup Data File Read Error
- Okuma Alarm P-0958 – Pitch Compensation Data File Read Error
- Okuma Alarm P-0965 – Configuration File Format Error
- Okuma Alarm P-0971 – Cache Data Initialization Error
- Okuma Alarm P-0988 – Cache Data Operation Error
- Okuma Alarm P-0989 – CPU Information Table Data Incorrect
- Okuma Alarm P-0990 – TASK Generate Error
- Okuma Alarm P-0991 – TASK Information Table Data Incorrect
- Okuma Alarm P-0992 – PLC Backup Data File Read Error
- Okuma Alarm P-0993 – TCP/IP Board Error
- Okuma Alarm P-0994 – TCP/IP Configuration File Error
- Okuma Alarm P-0995 – Machine Axis Data File Error
- Okuma Alarm P-0996 – PLC Axis Data File Error
- Okuma Alarm P-0997 – PLC Monitor Backup Data File Read Error
- Okuma Alarm P-0998 – PLC Sequence Program Load Error
- Okuma Alarm P-0999 – Synchronous Tapping Data File Read Error
- Okuma Alarm P-1071 – Memory Board Battery Depleted
- Okuma Alarm-P 0797 MCS Linear scale 2 error
- Okuma Alarm-P 0841 FCP4 board detected error
