FANUC 6 Alarms

Fanuc 6 Alarms, SYSTEM 6M, 6T Error Codes

These FANUC 6 alarms, error codes cover 6M, 6MB, 6MBII, 6T, 6TB control system.

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Alarm Codes by number

210 to 245 Errors on stroke end limit switches
400 to 445 Errors on Servo System
600 to 603 Errors on PCB or Cables
700 to 702 Overheat of section or motor
900 to 999 Errors on Memory

 

Alarm Code Description of Alarm/Error
000 Re-apply the power after the parameter has been input
001 TH Alarm (A character with incorrect parity was input) Correct the tape
002 TV Alarm (The number of characters in a block is odd). This alarm is generated only when the TV check is effective
003 Data exceeding the maximum allowable number of digits was input
004 A numeral or the sign (-) was input without an address at the beginning of the block
005 The address was not followed by the appropriate data but was followed by another address of EOB code
006 Sign “-” input error (sign “-” was input after a address with which it can’t be used. Or two “-” signs were used).
007 Decimal Point “.” Input error (A decimal point was input after a address with which it can’t be used. Or input of two decimals).
008 The switch position of the tape reader was not AUTO (without reel) or REEL ON/REEL OFF (with reels).
009 Unusable character was input. (E).
010 A unusable G code was commanded. (The alarm is generated also when a G code with which the control is not equipped as an option is commanded).
011 Feed rate was not commanded at cutting feed or the feed rate was inadequate
015 The number of the commanded axes exceeded that of the allowable simultaneously controlled axis
017 The move commanded of the additional axis was commanded without equipping with an optional additional axis.
018 An additional axis was commanded with the other axis simultaneously.
021 The axis not included in the selected plane (by using G17, G18, G19) was commanded in circular interpolation.
022 In circular interpolation, radius designation was performed in the NC which is not equipped with the radius designation option.
023 In circular interpolation by radius designation, Zero was commanded for address R.
030 The tool offset number is too large for the D or H function.
031 In setting of offset amount by G10, The offset number following address P was excessive or it was not specified.
032 In setting of offset amount by G10, the offset amount was excessive.
035 Skip Cutting (G31) was commanded in cutter compensation mode.
036 G45-G48 (Tool Offset) was commanded in cutter compensation mode.
037 The selected (by using G17, G18 or G19) changed in cutter compensation mode.
038 Over cutting will occur in cutter compensation because the arc start point or end point coincides with arc center
041 Overcutting will occur in cutter compensation.
044 One of G27-G30 was commanded in canned cycle mode. In canned cycle mode, an ATC cycle (M06) is commanded.
045 An ATC cycle (M06) was commanded for the NC which is not equipped with optional reference point return feature.
046 Other than P2, P3 and P4 was specified in the 2nd, 3rd and 4th reference point return commands.
047 G27 to G30 was commanded for and axis which does not have a reference point.
058 In 4-digit S code binary 12-bit/analogue output A, A command was specified exceeding the maximum or minimum number of spindle revolutions.
059 No program for selected work number is found (external work number select A function).
060 Commanded sequence number was not found in the sequence number search,
065 Scaling Magnification was specified as other than 1-99999.
066 Scaling was applied and as a result, movement value, coordinate value, circular arc radius, etc. exceed maximum programmable dimension.
067 G51 (scaling ON) was specified in cutter compensation mode.
070 The fanuc memory area is insufficient.
071 The address to be searched was not found.
072 The number of programs to be stored exceeds 95 or 191. (191 is a option)
073 The program number has already been used.
074 The program number is other then 1-9999
075 The program number or sequence number was not found at the start block of the program
076 The address P was commanded in the block with includes a M98 command.
077 The subprogram was called in triple
078 The sequence number which was specified by address P in the block which includes a M98 or M99 was not found
079 Memorized program and tape contents do not coincide
085 When storing data in memory by using ASR or RS232C interface, an over-run or framing error was generated
086 The signal level of RS232C interface was incorrect
087 When storing data in the memory by using the fanuc RS232 interface, the time required to store the data is insufficient.
090 The reference point return cannot be performed normally because the reference point return start point is to close to the reference point or one revolution signal is not input owing to a fault in the pulse coder.
091 Reference point return cannot be executed normally, because of the feed rate is too low to synchronize the one revolution signal of the pulse coder with the reference counter,
092 The axis designated by G27 did not return to reference point.
094 No P type can be specified for program restart (because after program interruption, coordinate system setting or ORIGIN, etc. was executed)
095 No P type can be specified for program restart (because after program interruption, external work zero point offset value changed)
096 No P type can be specified for program restart (because after program interruption, work zero point offset value changed).
097 No P type can be specified for program restart (because after program interruption, no automatic operation has been executed).
100 The switch to set parameters is on. Push the reset button after turning off the switch.
101 The power was turned off while rewriting the contents of memory in the part program storage & editing operation. To clear the memory when this alarm is generated turn on the power and push the DELETE and RESET buttons.
110 Absolute value of data of fixed point representation exceeds the upper bound (99999999).
111 Exponent of data of floating point representation exceeds the upper bound.
112 Divisor is 0
113 A function that cannot be used by user macro A is used
114 Format error except for
115 Value not defined as variable number is assigned
116 Left side of substituted sentence is a variable of prohibited substitution
118 Nesting of brackets exceeds the upper limit (5).
119 Argument of SQRT is negative , Or argument of BCD is negative
122 Nesting of macro exceeds the upper limit (4)
123 Macro control command is uded in tape mode
124 DO END is not 1:1 corresponding
125 Format error of (formula)
126 Not 1 £ n £ 3 in DO n
127 NC command and macro command are mixed
128 Not 0 £n £9999 in GO TO n
129 Unallowable address is used in .
130 In external data input, greater-address data contains an error
131 In external alarm message, five or more alarms have occurred
132 In external alarm message, clear, no corresponding alarm number exists
133 In external alarm message and in external operator message, smaller- address data contains an error
170 Programs of numbers 8000 – 8999 and 9000 – 9899 are being edited, But this alarm occurs only when parameter setting inhibits these programs to be edited. Error on Stroke Limit Switch
210 The movable part of machine touched the X Axis plus stroke limit switch
211 The movable part of machine touched the X Axis minus stroke limit switch
212 While the X Axis was moving in the plus direction, It entered into the forbidden area of the stored stroke limit 1
213 While the X Axis was moving in the minus direction, It entered into the forbidden area of the stored stroke limit 1
214 While the X Axis was moving in the plus direction, It entered into the forbidden area of the stored stroke limit 2
215 While the X Axis was moving in the minus direction, It entered into the forbidden area of the stored stroke limit 2
220 The movable part of the machine touched the Y axis plus stroke limit switch
221 The movable part of the machine touched the Y axis minus stroke limit switch.
222 While the Y axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 1
223 While the Y axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 1
224 While the Y axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 2
225 While the Y axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 2
230 The movable part of the machine touched the Z axis plus stroke limit switch
231 The movable part of the machine touched the Z axis minus stroke limit switch
232 While the Z axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 1
233 While the Z axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 1
234 While the Z axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 2
235 While the Z axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 2
240 The movable part of the machine touched the 4th axis plus stroke limit switch
241 The movable part of the machine touched the 4th axis minus stroke limit switch. Error on servo system
400 The control received the X, Y or Z axis overload signal
401 The READY signal (VRDY) of the X, Y or Z axis velocity control has turned off
402 The control received the 4TH axis overload signal
403 The READY signal (VARY) of the 4TH axis velocity control has turned off
404 The READY signal (VARY) of the X, Y or Z axis velocity control does not turn off even though the READY signal (PRDY) of the position control has turned offThe READY signal (VARY) of velocity control already on even though the READY signal (PRDY) of the position control is off yet at power on condition
405 In reference point return, reference point return is not performed in correctly by abnormality of NC control section or servo system. Perform manual reference point return again
410 The content of error register of the X axis is larger than the value allowed while the machine is stopped
411 The content of error register of the Y axis is larger than the value allowed while the machine is moving
412 Drift in X axis is excessive. (Exceeds 500VELO)
413 The content of the error register of the X axis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
414 The resolver/inductosyn position detecting system of X axis is trouble
415 A feed rate exceeding 511875 detection units/sec was commanded in the X axis. An incorrect setting of CMR causes this error
416 X axis pulse coder position feedback is abnormal. (Disconnection alarm)
420 The content of the error register of the Y axis is larger than the value allowed while the machine is stopped
421 The content of the error register of the Y axis is larger than the value allowed while the machine is moving
422 Drift in Y axis is excessive. (Exceeds 500VELO)
423 The content of the error register of the Y axis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
424 The DSCG position detecting system of the Y axis is trouble
425 A feed rate exceeding 511875 detection units/sec was commanded in the Y axis. An incorrect setting of CMR causes this error
426 Y axis Fanuc pulse coder position feedback is abnormal. (Disconnection alarm)
430 The content of the error register of the Z axis is larger than the value allowed while the machine is stopped
431 The content of the error register of the Z axis is larger than the value allowed while the machine is moving
432 Drift in Z axis is excessive. (Exceeds 500VELO)
433 The content of the error register of the Z axis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
434 The resolver/inductosyn position detecting system of Z axis is trouble
435 A feed rate exceeding 511875 detection units/sec was commanded in the Z axis. An incorrect setting of CMR causes this error
436 Z axis pulse coder position feedback is abnormal. (Disconnection alarm)
440 The content of the error register of the 4TH axis is larger than the value allowed while the machine is stopped
441 The content of the error register of the 4TH axis is larger than the value allowed while the machine is moving
442 Drift in 4TH axis is excessive. (Exceeds 500VELO)
443 The content of the error register of the 4THaxis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
444 The resolver/inductosyn position detecting system of the 4TH axis is trouble
600 Data transferring error took place in the connection unit or in PC-model C
601 Slave relay was turned off. (Connections among unit, MDI/DPL (MDI/CRT) and master PCB are trouble. Also in another case change connection unit)
602 PC program has not yet been loaded
603 The correspondence between NC and PC is incorrect or interrupted. Change power sequence control PCB or master PCB
604 No hold is effective to PC-model B side MPU
605 A system error has occurred in PC-model B side MPU
606 RAM/ROM parity has occurred in PC-model B side MPU
607 Data transferring error took place in Fanuc MDI & CRT. Overheat alarm
700 Overheat of the master PCB
701 Overheat of the PCB for 4TH axis
702 Overheat of DC motor for X, Y, Z axis
703 Overheat of DC motor for 4TH axis. Errors on memory
900 Fault in bubble device. (Fault of input signal for bubble device)
901 Fault in bubble device.
902 Fault in bubble device. (Page size error, undefined command)
903 Fault in bubble device. (Transfer missing, page size over)
904 Fault in Fanuc bubble device. (Parity error)
905 Fault in bubble device. (No marker)
906 Fault in bubble device. (Many defect loops)
910 RAM parity error (low byte)
911 RAM parity error (high byte)
920 System error (watch dog timer alarm)
930 CPU error (0, 3, 4 type interrupt generation)
997 ROM parity error (PC ROM)
998 ROM parity error (Basic ROM)
999 ROM pair error (No correspondence between high and low)