Fanuc Alarms

Fanuc Alarm OT331 MOTOR LOCK OR V–SIG LOS Fanuc Alarm Description Fanuc 15 The motor locked up alarm is issued or the speed detection signal is disconnected.

Fanuc Alarm OT332 RAM FAULT SERIAL LSI Fanuc Alarm Description Fanuc 15 Faulty RAM exists in LSI for serial data transfer.

Fanuc Alarm OT151 A/D CONVERT ALARM Fanuc Alarm Description Fanuc 10/11/12/15/15i A/D converter malfunction

Fanuc Alarm OT313 DATA MEMORY FAULT CPU Fanuc Alarm Description Fanuc 15 Error in CPU internal data memory

Fanuc Alarm OT318 SUMCHECK ERROR PGM DATA Fanuc Alarm Description Fanuc 15 Sum check error in program ROM

Fanuc Alarm OT214 INTERFERENCE Z2 MINUS Fanuc Alarm Description Fanuc 15 An interference alarm occurred while the second tool post was moving in the negative direction along the Z axis.

Fanuc Alarm OT311 OVERVOLT POW CIRCUIT Fanuc Alarm Description Fanuc 15 Excessive voltage in the DC link

Fanuc Alarm OT312 OVERCURRENT POW CIRCUIT Fanuc Alarm Description Fanuc 15 Excessive current in the DC link

Fanuc Alarm OT329 OVERLOAD Fanuc Alarm Description Fanuc 15 Temporary overload

Fanuc Alarm OT330 OVERCURRENT POW CIRCUIT Fanuc Alarm Description Fanuc 15 Excessive current in input circuit

Fanuc Alarm OT309 OVERHEAT MAIN CIRCUIT Fanuc Alarm Description Fanuc 15 Excessive load on the main circuit

Fanuc Alarm OT310 LOW VOLT INPUT POWER Fanuc Alarm Description Fanuc 15 Low voltage in the input power supply

Fanuc Alarm OT326 DISCONNECT C–VELO DETCT Fanuc Alarm Description Fanuc 15 The Cs axis control speed detection signal is disconnected.

Fanuc Alarm OT327 DISCONNECT POS–CODER Fanuc Alarm Description Fanuc 15 The position coder signal is disconnected.

Fanuc Alarm OT328 DISCONNECT C–POS DETCT Fanuc Alarm Description Fanuc 15 The Cs axis control position detection signal is disconnected.

Fanuc Alarm OT307 OVER SPEED Fanuc Alarm Description Fanuc 15 Excessive speed

Fanuc Alarm OT333 SHORTAGE POWER CHARGE Fanuc Alarm Description Fanuc 15 Insufficient power charge in DC link

Fanuc Alarm OT399 S–SPINDLE ERROR Fanuc Alarm Description Fanuc 15 A miscellaneous spindle amplifier alarm occurred.

Fanuc Alarm OT319 EX OFFSET CURRENT U Fanuc Alarm Description Fanuc 15 Excessive offset in U–phase current detection circuit

Fanuc Alarm OT320 EX OFFSET CURRENT V Fanuc Alarm Description Fanuc 15 Excessive offset in V–phase current detection circuit

Fanuc Alarm OT324 SERIAL TRANSFER ERROR Fanuc Alarm Description Fanuc 15 Error in serial data transfer

Fanuc Alarm OT325 SERIAL TRANSFER STOP Fanuc Alarm Description Fanuc 15 Serial data transfer was stopped.

Fanuc Alarm OT215 INTERFERENCE Z2 PLUS Fanuc Alarm Description Fanuc 15 An interference alarm occurred while the second tool post was moving in the positive direction along the Z axis.

Fanuc Alarm OT300 S–SPINDLE LSI ERROR Fanuc Alarm Description Fanuc 15 An error occurred in communication with the spindle.

Fanuc Alarm OT301 MOTOR OVERHEAT Fanuc Alarm Description Fanuc 15 Motor overheat

Fanuc Alarm OT302 EX DEVIATION SPEED Fanuc Alarm Description Fanuc 15 Excessive deviation in speed

Fanuc Alarm OT336 OVERFLOW ERROR COUNTER Fanuc Alarm Description Fanuc 15 The error counter overflowed.

Fanuc Alarm IO011 BUBBLE IS ERASED OR UNLOADED Fanuc 10/11/12/ Bubble memory was erased or unloaded.

Fanuc Alarm OT334 PARAMETER SETTING ERROR Fanuc Alarm Description Fanuc 15 Parameter data is out of range.

Fanuc Alarm IO020 BUBBLE TOO MANY PARITY PAGES Fanuc 10/11/12/ 1-bit parity occurred, and automatically corrected page number exceeded 16 pages.

Fanuc Alarm OT335 EX SETTING GEAR RATIO Fanuc Alarm Description Fanuc 15 An excessive gear ratio was set.

Fanuc Alarm OT449 ZERO RETURN NOT FINISHED Fanuc Alarm Description Fanuc 15i The interval of the actual match mark does not match the interval of the match mark set to…

Fanuc Alarm OT450 ZERO RETURN NOT FINISHED Fanuc Alarm Description Fanuc 15i No. 1 zero return (CDxX7 to CDxX0: 17h (Hex)) was specified when the manual reference zero return was…

Fanuc Alarm OT451 IMPROPER PMC AXIS COMMAND Fanuc Alarm Description Fanuc 15i The PMC axes cannot be controlled in this state.

Fanuc Alarm OT512 EXCESS VELOCITY Fanuc Alarm Description Fanuc 15i The feedrate of the linear axis during polar coordinate interpolation exceeded the maximum cutting feedrate. Fanuc 15 The feedrate specified…