Fanuc Alarms

Fanuc Alarm 911 SRAM PARITY : (BYTE 1) Fanuc System alarm Description A RAM parity error occurred in the part program storage RAM. Clear the RAM, or replace the SRAM…

Fanuc Alarm 910 SRAM PARITY : (BYTE 0) Fanuc System alarm Description A RAM parity error occurred in the part program storage RAM. Clear the RAM, or replace the SRAM…

Fanuc Alarm 900 ROM PARITY Fanuc System alarm Description A parity error occurred in the CNC, macro, or servo ROM. Correct the contents of the flash ROM having the displayed…

Fanuc Alarm 784 SPINDLE–4 ABNORMAL TORQUE ALM Fanuc Spindle Alarm Description Same as alarm number 754 (for the fourth spindle)

Fanuc Alarm 782 SPINDLE–4 MODE CHANGE ERROR Fanuc Spindle Alarm Description Same as alarm number 752 (for the fourth spindle)

Fanuc Alarm 774 SPINDLE–3 ABNORMAL TORQUE ALM Fanuc Spindle Alarm Description Same as alarm No. 754 (for the third spindle)

Fanuc Alarm 772 SPINDLE–3 MODE CHANGE ERROR Fanuc Spindle Alarm Description Same as alarm No. 752 (for the third spindle)

Fanuc Alarm 771 SPINDLE–3 ALARM DETECT (AL–XX) Fanuc Spindle Alarm Description Same as alarm No. 751 (for the third spindle)

Fanuc Alarm 761 SECOND SPINDLE ALARM DETECTION (AL–XX) Fanuc Spindle Alarm Description Refer to alarm No.751. (For 2nd axis)

Fanuc Alarm 751 FIRST SPINDLE ALARM DETECTION (AL–XX) Fanuc Spindle Alarm Description This alarm indicates in the NC that an alarm is generated in the spindle unit of the system…

Fanuc Alarm 764 SPINDLE–2 ABNORMAL TORQUE ALM Fanuc Spindle Alarm Description Same as alarm No. 754 (for the second spindle)

Fanuc Alarm 762 SECOND SPINDLE MODE CHANGE FAULT Fanuc Spindle Alarm Description Refer to alarm No. 752. (For 2nd axis)

Fanuc Alarm 754 SPINDLE–1 ABNORMAL TORQUE ALM Fanuc Spindle Alarm Description Abnormal first spindle motor load has been detected.

Fanuc Alarm 752 FIRST SPINDLE MODE CHANGE FAULT Fanuc Spindle Alarm Description This alarm is generated if the system does not properly terminate a mode change. The modes include the Cs…

Fanuc Alarm 750 SPINDLE SERIAL LINK START FAULT Fanuc Spindle Alarm Description This alarm is generated when the spindle control unit is not ready for starting correctly when the power is…

Fanuc Alarm 749 S–SPINDLE LSI ERROR Fanuc Spindle Alarm Description It is serial communication error while system is executing after power supply on. Following reasons can be considered. 1) Optical…

Fanuc Alarm 742 RIGID TAP ALARM : LSI OVER FLOW Fanuc Rigid tapping alarm Description During rigid tapping, an LSI overflow occurred on the spindle side.

Fanuc Alarm 741 RIGID TAP ALARM : EXCESS ERROR Fanuc Rigid tapping alarm Description During rigid tapping, the position deviation of the spindle in the stop state exceeded the setting.

Fanuc Alarm 740 RIGID TAP ALARM : EXCESS ERROR Fanuc Rigid tapping alarm Description During rigid tapping, the position deviation of the spindle in the stop state exceeded the setting.

Fanuc Alarm 704 OVERHEAT: SPINDLE Fanuc Overheat Alarm Description Spindle overheat in the spindle fluctuation detection (1)If the cutting load is heavy, relieve the cutting condition. (2)Check whether the cutting…

Alarm Fanuc Alarm 701 OVERHEAT: FAN MOTOR Fanuc Overheat Alarm Description The fan motor on the top of the cabinet for the control unit is overheated. Check the operation of…

Fanuc Alarm 700 OVERHEAT: CONTROL UNIT Fanuc Overheat Alarm Description Control unit overheat Check that the fan motor operates normally, and clean the air filter.

Fanuc Alarm 507 OVER TRAVEL : –n Fanuc Over travel Alarm Description Exceeded the n–th axis – side hardware OT.

Fanuc Alarm 506 OVER TRAVEL : +n Fanuc Over travel Alarm Description Exceeded the n–th axis + side hardware OT.

Fanuc Alarm 505 OVER TRAVEL : –n Fanuc Over travel Alarm Description Exceeded the n–th axis – side stored stroke limit III. (Parameter No.1325 )

Fanuc Alarm 504 OVER TRAVEL : +n Fanuc Over travel Alarm Description Exceeded the n–th axis + side stored stroke limit III. (Parameter No.1324 )

Fanuc Alarm 503 OVER TRAVEL : –n Fanuc Over travel Alarm Description Exceeded the n–th axis – side stored stroke limit II. (Parameter No.1323)

Fanuc Alarm 502 OVER TRAVEL : +n Fanuc Over travel Alarm Description Exceeded the n–th axis + side stored stroke limit II. (Parameter No.1322 )

Fanuc Alarm 501 OVER TRAVEL : –n Fanuc Over travel Alarm Description Exceeded the n–th axis – side stored stroke limit I. (Parameter No.1321 or 1327 Notes)

Fanuc Alarm 500 OVER TRAVEL : +n Fanuc Over travel Alarm Description Exceeded the n–th axis + side stored stroke limit I. (Parameter No.1320 or 1326 Notes)

Fanuc Alarm 387 n AXIS : ABNORMAL ENCODER (EXT) Fanuc Serial pulse coder (SPC) Alarm Description An error occurs in the separate detector. For details, contact the manufacturer of the…

Fanuc Alarm 386 n AXIS : DATA TRANS. ERROR (EXT) Fanuc Serial pulse coder (SPC) Alarm Description A CRC or stop bit error occurred in the communication data being received…

Fanuc Alarm 385 n AXIS : SERIAL DATA ERROR (EXT) Fanuc Serial pulse coder (SPC) Alarm Description Communication data from the separate detector cannot be received.

Fanuc Alarm 384 n AXIS : SOFT PHASE ALARM (EXT) Fanuc Serial pulse coder (SPC) Alarm Description The digital servo software detected invalid data in the separate detector.

Fanuc Alarm 383 n AXIS : PULSE MISS (EXT) Fanuc Serial pulse coder (SPC) Alarm Description A count error occurred in the separate detector.