Okuma Alarms Errors

Okuma Alarm-D 4218 Communication procedure Illegal text A text with a transmission error is received for consecutive RC5 + 1 times. (receiving station) Code YY:(Hexadecimal number): bit5->RS232C framing error bit4->RS232C…

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 4190 MCS Independent encoder initialization failure An error occurred during initialization of the MCS independent encoder. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX-> Encoder…

Okuma Alarm-D 4207 Unable to execute Hi-CUT Pro control Hi CUT Pro execution mode is internally turned off when specified in the turning cut mode or teaching mode. This alarm…

Okuma Alarm-D 4191 MCS Calculated current position lies outside range An error occurred during calculation of APA value. Object Axis name or none (spindle) Character-string None Code XXXXXXXX1: Linear axis…

Okuma Alarm-D 4208 G265/G264 commands: Unusable address character There are invalid address characters in a G265/264 block. This message is displayed while the G265/264 block specification is active. Object None…

Okuma Alarm-D 4196 MCS Full abso scale link error An alarm occurred in full absolute scale communication. Object AXIS or none (spindle) Character-string None Code XXYYZZZZ XX=FF Fixed YY=00 Fixed…

Okuma Alarm-D 4199 MCS Axis stop signal error OSP detected that a PSRDY signal input into an MIV unit malfunctioned. Object Axis name or none(spindle) Character-string None Code 1 Probable…

Okuma Alarm-D 4200 Reboot enabled parameter set A parameter which requires to turn on power to make it effective is designated. Operation Example:The alarm lamp lights up when the parameters…

Okuma Alarm-D 4201 MACHINING MANAGEMENT data backup stop The machining management data cannot be stored in the backup data file. Probable Faulty Locations 1)Defective memory board 2)Defective software (The backup…

Okuma Alarm-D 4202 DNC-B Communication system abort Not restorable error has occurred in the protocol A. (This alarm is not cleared unless the power is turned on again.) Code 1->No…

Okuma Alarm-D 4203 DNC-B Communication error Communication error has occurred in the communication protocol A of the host computer. Code XXXXXXYZ XXXXXX:Hexadecimal number of the received command when error occurred….

Okuma Alarm-D 4186 MCS Collision detected The NC torque limiter has detected collision of axis by monitoring the relation between motor output torque and motor acceleration. Object Axis name or…

Okuma Alarm-D 4187 MCS Urgent-stop time over The axis cannot stop within a preset time after reception of emergency stop command. Object Axis name or none (spindle) Character-string None Code…

Okuma Alarm-D 4188 MCS Belt is broken Breakage of belt was detected in the belt-driven axis. Object Axis name or none (spindle) Character-string None Code Load torque (hexadecimal) at the…

Okuma Alarm-D 4174 MCS Servo link error A communication error occurred in the servo link, disabling the servo unit from receiving commands from the NC. Object Axis name or none…

Okuma Alarm-D 4175 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-D 4176 Mistake in data from NC to MCS The NC and the inverter unit exchange commands and responses at constant intervals according to the specified protocol through the…

Okuma Alarm-D 4177 MCS Servo data error The servo data sent from the NC for initialization or operation is not applicable to the inverter unit. If this alarm occurs after…

Okuma Alarm-D 4195 MCS Tandem control communication error Concerning tandem control of synchronism-axis, The communication data that slave-axis received in communication between slave-station was ERROR. Index Axis(Main-spindle) or None Character-string…

Okuma Alarm-D 4178 MCS Illegal command The NC and the inverter unit exchange commands and responses through the servo link. In this communication, the NC sent an abnormal or inexecutable…

Okuma Alarm-D 4179 MCS CON speed over Increments for positioning command (SRCOND) issued from the NC to the inverter unit exceed the allowable limit. If this alarm occurs in the…

Okuma Alarm-D 4197 MCS Full abso scale error The full absolute scale has become unable to detect positional data. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX=…

Okuma Alarm-D 4180 MCS Speed command over Speed command value issued from the NC to the inverter unit exceeds the allowable limit. Object Axis name or none (spindle) Character-string None…

Okuma Alarm-D 4198 MCS Full abso scale initialization failure An error occurred in initialization of the full absolute scale. Object Axis name or none (spindle) Character-string None Code XXYYZZZZ XX=…

Okuma Alarm-D 4181 MCS DIFF over Axis movement caused a large positioning error. While the axis is in a target position or stopped, the target value and the calculated value…

Okuma Alarm-D 4182 MCS APA speed over The position encoder value (RAPA) changes as the motor rotates. The NC checks this change with preset frequency. This alarm occurs if the…

Okuma Alarm-D 4167 MCS Encoder with shaft initialization failure An error occurred in initialization of the encoder with shaft. Object Axis name or none (spindle) Character-string None Code Same with…

Okuma Alarm-D 4183 MCS Full-closed APA error Difference between the full-closed loop encoder value and the motor encoder value exceeds the allowable range. Object Axis name or none (spindle) Character-string…