Okuma Alarms Errors

Okuma Alarm-A 1182 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-A 1171 MCS Resolver alarm The resolver does not send any signal. Object Axis name or none (spindle) Character-string None Code 1 (fixed) Probable Faulty Locations – Resolver trouble,…

Okuma Alarm-A 1172 MCS Pulse generator count over The PG (pulse generator) count value per one turn differs from the corresponding data specified in servo data file. Object Axis name…

Okuma Alarm-A 1173 MCS Motor overheat The motor temperature is abnormally high. Object Axis name or none (spindle) Character-string None Code YYYYZZZZ YYYY = 0 (fixed) ZZZZ = 0010: Motor…

Okuma Alarm-A 1174 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-A 1190 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-A 1175 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-A 1191 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 XXXXXXXX 1: Linear…

Okuma Alarm-A 1176 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-A 1177 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-A 1185 MCS Speed deviation over Actual motor speed excessively deviates from the speed command. Object Axis name or none (spindle) Character-string None Code XXXXYYYY XXXX: Detected torque (sum…

Okuma Alarm-A 1186 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-A 1187 MCS Urgent-stop time over The axis cannot stop within a preset time after reception emergency stop command. Object Axis name or none (spindle) Character-string None Code XXXXXXXX…

Okuma Alarm-A 1188 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-A 1189 MCS Axis change control error Axis change wasu@not performed normally. (This is not an alarm caused in MCS.) Object Axis to be selected by axis change Character-string…

Okuma Alarm-A 1184 MCS Over speed Actual motor speed is too high. Object Axis name or none (spindle) Character-string None Code Motor speed detected when this alarm occurred [(rev/4294967296)/Tv] Where,…

Okuma Alarm-A 1183 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…

Okuma Alarm-A 1213 User reserve code The alarm designated by output variable 993. This alarm occurs when the following program is executed. VDOUT [993] = oooo ^^^^^code Character-string Character-string as…

Okuma Alarm-A 1192 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->…

Okuma Alarm-A 1198 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-A 1199 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…

Okuma Alarm-A 1200 Stroke end over An axis has hit the stroke end limit. Code None->The turret has hit the stroke end limit by X- or Z-axis command. 1->During Y-axis…

Okuma Alarm-A 1202 Plus variable limit over An axis movement command to move the axis beyond the variable limit position in the positive direction is designated. Object AXIS Code 1->In…

Okuma Alarm-A 1203 Minus variable limit over An axis movement command to move the axis beyond the variable limit position in the negative direction is designated. Object AXIS, SYSTEM Code…

Okuma Alarm-A 1195 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. Object Axis(Main-spindle) or None Character-string…

Okuma Alarm-A 1196 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-A 1197 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-A 1220 Torque skip condition not satisfied Torque skip is not generated when it is attempted, and the axis reaches the designated point. (In workpiece transfer, the workpiece failed…

Okuma Alarm-A 1194 MCS ABSO SCALE sub-slider error ERROR occurred by sub-slider of absoscale for the transfer spec. Index Axis or None Character-string None Code XXYYZZZZ XX E-link sequence number…

Okuma Alarm-A 1221 Duplicate M-code Before the execution of an M code, another M code which belongs to the same M-code group is designated (M07/M08, and so forth). (In the…

Okuma Alarm-A 1215 S.M command asynchronous Under simultaneous four-axis control mode, S or M command provided with constant cutting speed code does not match between turret A and B for…

Okuma Alarm-A 1216 Synchronous P code error P code commands are not designated in the ascending order for 2-saddle specification (except when the P commands are negative values). Or P…

Okuma Alarm-A 1217 Torque limiter With the torque limiter cancel switch OFF in a mode other than MANUAL, the input from the mechanical torque limiter is turned OFF. Code 1->ZA-axis…

Okuma Alarm-A 1218 Torque limiter cancel With the torque limiter cancel switch ON, automatic mode is selected.In automatic mode, the torque limiter cancel switch is turned ON.

Okuma Alarm-A 1219 Torque limit over In torque skip cycle, the set torque value is exceeded before the axis reaches the deceleration point D. Code X 1->In torque skip cycle,…