Okuma Alarms Errors

Okuma Alarm-D 4895 Hydraulic fluid level low Code 1->The hydraulic fluid level lower limit/signal kept OFF for a second or longer. 2->The hydraulic oil supply level/ signal kept OFF over…

Okuma Alarm-D 4896 Lubricant level Code 1->The lubricant level lower limit/signal kept OFF for 2 seconds or longer. 2->The lubricant level lower limit signal kept ON for 2 seconds or…

Okuma Alarm-D 4899 Lower turret origin return interlock Lower turret dose not have positioned on a cycle start pot number. (B-turret)

Okuma Alarm-D 4889 PLC link error A failure of the host was detected by the PLC link. Code 1->The host PC is at rest. 2->The host PC has a failure….

Okuma Alarm-C 3057 Unable to start during virus scan In the middle of manual scanning or scheduled scanning, machine is going to be started. Measures to Take If you’re going…

Okuma Alarm-C 3120 Overload detected. Overload of External motor was detected in “GENERAL OVERLOAD DETECT” Object Case Parallel 2 spindle : Machine system Case Other : None Character-string Refer to…

Okuma Alarm-C 3122 Maintenance (by user) necessary The count time exceeded the warning time for User Maintenance monitor, Index None Character-string None Code Item no that exceeded the warning time….

Okuma Alarm-C 3132 VDU communication error An error occurred in the VDU(Vibration Detect Unit) communication link, disabling the VDU from detecting acceleration. Object Axis name or none (spindle) Character-string None…

Okuma Alarm-C 3133 VDU detected error The VDU(Vibration Detect Unit) has become unable to detect acceleration data. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX = VDU…

Okuma Alarm-C 3055 Device temperature too high Temperature provided from a sensor is out of the regular range. Object None Character-string None Code Cooling system identifier 20101->CPU 20301->Operation panel Probable…

Okuma Alarm-C 3056 Non-functioning device detected The system found a non-functioning instrument. But the installed software does not know about details of the instrument. Object None Character-string None Code Non-functioning…

Okuma Alarm-C 3154 MCS Power supply unit error The power unit caused an error. Object Axis name or none (spindle) Character-string None Code AAAAAAXX AAAAAA is always 0. X Alarm…

Okuma Alarm-C 3155 MCS Converter link error The convertor link (used for communication between power unit and inverter unit) caused an error, disabling the NC from monitoring the power unit…

Okuma Alarm-C 3134 VDU initialization failure An error occurred in initialization of VDU(Vibration Detect Unit). Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX = Encoder link sequence…

Okuma Alarm-C 3135 MCS DD encoder link error An error occurred in the encoder communication link. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX = $FF (fixed)…

Okuma Alarm-C 3136 MCS DD Encoder error The DD encoder has become undetectable. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX = Positional data status bit7 :…

Okuma Alarm-C 3137 MCS DD Encoder (slave sensor) error The DD encoder (slave sensor) has become undetectable. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX = Positional…

Okuma Alarm-C 3151 MCS Inverter unit fault A fatal alarm occurred while the MCS inverter unit and MCS software are executing their processing. Object Axis name or none (spindle) Character-string…

Okuma Alarm-C 3152 Mistake in data from MCS to NC MCS Object Axis name or none (spindle) Character-string None Code XXZZAAAA XX: 04…The self-diagnostic data has an error. (ZZ: Received…

Okuma Alarm-C 3153 MCS CON APA deviation Difference between CON and APA values has exceeded the allowable limit. The CON-APC deviation is the absolute value of difference between [calculated value…

Okuma Alarm-C 3156 MCS DC-bus voltage alarm The DC-bus voltage in the inverter unit has abnormally risen or fallen, disabling the inverter from supplying the current. Object Axis name or…

Okuma Alarm-C 3157 MCS Motor overcurrent The inverter unit has detected excessive current flowing in the motor cable. Object Axis name or none (spindle) Character-string None Code XXXXYYYY XXXX= U-phase…

Okuma Alarm-C 3160 MCS Supply voltage flutter The power unit input voltage is abnormally high or low. Object Axis name or none (spindle) Character-string None Code Detected abnormal voltage in…

Okuma Alarm-C 3161 MCS Inverter capacity differs from spec. The inverter unit allowable current is smaller than the current limit specified in the servo data file. Object Axis name or…

Okuma Alarm-C 3162 MCS Winding change failure The winding-change magnet switch does not come on. Object Axis name or none (spindle) Character-string None Code YYYYZZZZ If YYYY = 0000 ZZZZ…

Okuma Alarm-C 3138 MCS DD encoder initialization failure An error occurred in the initialization of the DD encoder. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX =…

Okuma Alarm-C 3139 MCS DD encoder (slave sensor) initialization failure An error occurred in the initialization of the DD encoder (slave sensor). Index Axis name or none (spindle) Character-string None…

Okuma Alarm-C 3144 MCS Power supply unit overload Power Supply Unit over load Object Axis name or none (spindle) Character-string None Code 1(fixed) Probable Faulty Locations Power unit Overload operation

Okuma Alarm-C 3150 MCS Undefined alarm number The MCS caused an error related with axis control. Object Axis name or none (spindle) Character-string Alarm number in decimal Code Alarm code…

Okuma Alarm-C 3170 MCS Magnetic encoder alarm The magnetic pulse generator has become unable to detect the motor speed. Or, the number of magnetic encoder gear teeth does not match…

Okuma Alarm-C 3158 MCS Power unit overheat The inverter unit temperature has risen abnormally. Object Axis name or none (spindle) Character-string None Code 1 (fixed) Probable Faulty Locations – Inverter…

Okuma Alarm-C 3159 MCS Power unit overload The inverter load has exceeded the specified value, activating the overload protection function. Object Axis name or none (spindle) Character-string None Code YYYYZZZZ…

Okuma Alarm-C 3175 MCS Servo link disconnection The servo link is disconnected, disabling the servo unit from receiving commands from the NC. Object Axis name or none (spindle) Character-string None…

Okuma Alarm-C 3163 MCS Encoder link error An error occurred in the encoder communication link, disabling the encoder from detecting positioning speed. Object Axis name or none (spindle) Character-string None…

Okuma Alarm-C 3164 MCS Encoder detected error. The motor encoder has become unable to detect positional data. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX= Encoder error…