Okuma Alarms Errors

Okuma Alarm-D 4298 DNC Ethernet communication error An error occurred with the API while the CNC is processing the request from the host computer. Index None Character-string API error code…

Okuma Alarm-D 4274 User reserve code Output variable VDOUT [990] is executed after assigning data to it. That is, this alarm occurs when “VDOUT [990] = oooo” data is executed….

Okuma Alarm-D 4281 Workpiece counter over The active work counter data has exceeded the full count value. Code 1->Alarm with work counter A 2->Alarm with work counter B 3->Alarm with…

Okuma Alarm-D 4305 Y-axis not at turning position No Y-axis Mode And No Turning Position When Manual Mode Object None Code None Probable Faulty Locations 1)No Y-axis Mode And No…

Okuma Alarm-D 4284 Thermistor error The thermistor is defective. Index None Character-string None Code XYY X=0->Thermistor temperature dropped to -20 or -70. X=A->Thermistor temperature change from the temperature measured last…

Okuma Alarm-D 4306 Turret movement decelerating In the interference detection function between turrets of two saddle machine,the turret is moving the turret interference deceleration area at the rapid feed speed….

Okuma Alarm-D 4285 Thermal deviation compensation Thermal deviation compensation is impossible since the temperature data sent via the TMP board is abnormal, or the total deviation amount exceeded the allowable…

Okuma Alarm-D 4308 X-axis over limit When machining mode command (G270-2) was ordered, there is not X-axis in plus variable limit. Object SYSTEM Code None Probable Faulty Locations When machining…

Okuma Alarm-D 4309 Clutch A slip monitor OFF Clutch A slip monitor off by the parameter. Object None Character-string None Code None Probable Faulty Locations Clutch A alip moitor off…

Okuma Alarm-D 4290 TCP/IP communication error A communication error occurred in TCP/IP.

Okuma Alarm-D 4248 DNC NC receipt start conditions with DNC: Ready to Transmit Code is sent from Host to NC; when NC is Not Ready for Data Receiving. Code 1->Ready…

Okuma Alarm-D 4226 MSB load error A ???.MSB file cannot be loaded normally. Code 1->No program end code (RTS) 2->Program stack over 3->MSB not usable due to memory capacity 4->MSB…

Okuma Alarm-D 4261 Workpiece counter over The active work counter data has exceeded the set count value. Code 1->Alarm with work counter A 2->Alarm with work counter B 3->Alarm with…

Okuma Alarm-D 4227 External start not possible The cycle start switch is pressed when the external start disable signal is input. Probable Faulty Locations I/O check input No.20 bitE Operation…

Okuma Alarm-D 4267 PLC link error It detected error of a host PC in PLC link. Code X 1->In host PC stop 2->Host PC error 3->Host communication error 4->A host…

Okuma Alarm-D 4228 SSynchronized rotation speed over In the main and M-tool spindle synchronized rotation mode (when any of M221, M222, M223, M224, M225, and M226 is active), an attempt…

Okuma Alarm-D 4268 PLC communication error A communicative error occurred in data communication in RS232C interfaces with PLC. Code WXYYZZ W=1: At the time of initialization X=0(YY: At the time…

Okuma Alarm-D 4230 Torque limit recovery When the torque limiter release switch is set at ON in MANUAL mode, the input signal from the torque limiter went OFF. Code 1->ZA-axis…

Okuma Alarm-D 4269 ROBOT control Robot became an alarm condition. Code XXYY Probable Faulty Locations 1) Robot in processing turned into an alarm. Measures to Take 1) It releases an…

Okuma Alarm-D 4232 Backup data read/write A machining parameter data file cannot be read or written by parameter loading or backup copy. Code 1->This alarm occurred in file opening by…

Okuma Alarm-D 4237 Magazine operation panel communication error An error occurred in communication through RS-232C between the magazine operation panel and the NC.

Okuma Alarm-D 4238 Please open magazine door This alarm message is displayed immediately after power supply on the machine with ATC and door interlock function type S. This alarm disappears…

Okuma Alarm-D 4240 Tool life management No spare tool A tool group has run out of spare tools to be automatically indexed within the group. Automatic index: When a tool…

Okuma Alarm-D 4242 Parameter set value incorrect The value set at the turret rotation range parameter is larger than the value set at the parameter for specifying the number of…

Okuma Alarm-D 4245 Waiting program selection during program operation. MIN program selection processing was executed by External program selection function in PROGRAM operation mode, or in DATA setting mode or…

Okuma Alarm-D 4219 Communication procedure ENQ ENQ is received more than permissible times in communication procedures. Code 1->ENQ is interfered for consecutive RC4 + 1 times in phase 2. (transmitting…

Okuma Alarm-D 4247 Main spindle max. speed designation Main spindle max. speed designation (G50 S****) does not have instructed. (G50 S0) Object SYSTEM Code 1 Measures to Take Main spindle…

Okuma Alarm-D 4220 Communication procedure EOT EOT which indicates that the parity station has detected a communication alarm is received during communication procedures. Code 1->Reception in phase 2 (transmitting station)…

Okuma Alarm-D 4221 Communication procedure TTD TTD is received for consecutive RC3 + 1 times during communication procedures. Probable Faulty Locations 1)Defective RS232C interface 2)Defective hardware or software of the…

Okuma Alarm-D 4223 Motor not ready to start Axis movement or spindle start command is issued before the axis drive motors become ready to start. (It takes several seconds for…

Okuma Alarm-D 4204 DNC-B Message format error Error has occurred in the reception message in the protocol A. As for the cause of the alarm, “6. Reception of unexpected message”…

Okuma Alarm-D 4224 Canceling stroke end limit It entered a stroke end limit cancel state being met all the following requirements. -condition 1)The touch setter measurement function is effective. 2)Manual…

Okuma Alarm-D 4205 H1 turret interference barrier parameter not set In the spec of H1-turret,H1 turret interference barrier parameter has not been set. Object None Code None

Okuma Alarm-D 4225 Pitch compensation data calculation In simplified pitch error compensation, the number of compensation points is not between 1 and 299 because stroke end limit data or pitch…

Okuma Alarm-D 4192 MCS Motor overload The motor load has exceeded the preset value, activating the overload protection function. Object Axis name or none (spindle) Character-string None Code YYYYZZZZ YYYY->…