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Heidenhain TNC Series CNC

Heidenhain TNC Series CNC Error Codes

Complete alarm and error code reference for the Heidenhain TNC Series CNC. Browse all 4497 documented fault codes below, each linking to a detailed troubleshooting guide.

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Complete Alarm List (Page 18 of 23)

Input (ES.B) not equal to 0

Test of cutout channels inactive

CC%2 FS checksum error

Command buffer overflow

Commands do not agree

CC%2 command not acknowledged

FS function not performed

MC handwheel permissive key pressed

Faulty data from CC%2

System clock MC not = CC%2

MC pos. deviation too large %2

No pos. values from the CC%2

CC%2 no pos. values from the MC

MC/CC%2 checked axes unequal

CC%2 wrong include-file version

Switch on spindle

SMP or checksum erroneous

SMP or checksum calculation erroneous

Safe axes must have sinusoidal inputs

Axis status cannot be determined

Not in the REF operating mode

Axis has already been checked

Axis is not referenced

Axis not at test position

Missing permission

No authorization for testing

MC S input signals %2 not equal

CC%2 safe inputs %1 not equal

MC limit switch %2 +

CC limit switch %2 +

MC limit switch %2 -

CC limit switch %2 -

MC standstill monitoring %2

MC feed rate greater SLS %2

CC feed rate greater SLS %2

MC S input %2 not equal 0

CC%1 S input %2 not equal 0

MC NC temperature out of tol.

CC%2 NC temperature out of tol.

MC +5V out of tolerance

CC%2 +5V out of tolerance

Op. state of MC not equal CC

CC%2 operating state not equal MC

MC amplitude too high %2

CC amplitude too high %2

MC amplitude too low %2

CC amplitude too low %2

MC frequency too high %2

CC frequency too high %2

MC speed greater than SLS %2

CC speed greater than SLS %2

MC: Machine permissive button depressed

No hardware for functional safety

MC no memory available

MC safety doors are open

Axis %2 started w/o test by MC

Internal software error

FS hardware used without FS software!

FS error in configuration

MC brake test not completed

MC command %1 not acknowledged

MC PWM output is not present

CC%2 timeout version comparison

MC wrong quantity FS-CC

MC S checksum error

CC%2 timeout SMP check sum

MC SOM 2 only one axis allowed

+24 V MC short on brake line

MC 0 V short on brake line %2

MC SOM 4 Press the permissive key

MC SOM 4 not released

MC SOM 4 not possible

MC operating mode not possible

CC%2 current measurement timeout

MC: Incorrect safe axis group

MC braking test not activated

CC: Guard doors are open

Checksum error A

MC movement monitoring %2

MC error in braking process %2

CC: Machine key depressed

MC: Mach. permiss. button depressed

CC panel permissive button pressed

CC: Machine permissive button pressed

MC inverter RDY=0 %2

MC inverter RDY=1 %2

MC 1st violation of limit switch %2+

MC 1st violation of limit switch %2-

MC nominal-to-actual position error too large %2

MC S software error %1

MC start test of the cut-out channels not possible

CC: Handwheel permissive button depressed

Emergency stop from SPLC

Fatal error from SPLC

MC: Permissive button depressed

CC permissive button pressed

CC%2 inverter for axis RDY=0 (safety relay)

CC%2 inverter for axes RDY=1 (safety relay)

MC timeout during braking (SS1) %2

MC traverse range exceeded at SS2 %2

MC change from SOM_2/SOM_3 to SOM_4 not possible

MC change from SOM_4 to SOM_2/SOM_3 not possible

MC SPLC requests invalid stop reaction

MC SPLC requests invalid safety function

MC brake cannot be deactivated %2

MC System clock MC is not equal to SKERN MC

MC System clock MC is not equal to SPLC MC

MC System clock MC is not equal to SPLC CC

MC error during cross comparison: %1

MC Safe output is not equal: %1

MC +3.3 V out of tolerance

MC +3.3 V PIC out of tolerance

MC +12 V out of tolerance

MC speed of fan 1 too slow

MC Speed of fan 2 too slow

MC fan not recognized

MC error in actual-value measurement %2 %1

MC axis %2 in servo control

MC spindle %2 in servo control

MC excessive deviation of actual from nominal speed %2

MC: Erroneous data from SPLC %1

MC S status reaction is active: %1

SKERN-MC: autotest function active

MC timeout during braking (SS2) %2

Checksum of safe machine parameters are invalid

Checksum of safe machine parameters have been changed

Checksum was changed through the hardware configuration

Checksum was changed through the encoder configuration

Checksum of safe machine parameters have been changed

Impermissible deviation of safe machine parameters

Invalid entry in safe machine parameter

Invalid entry in safe machine parameter

Invalid entry in safe machine parameter

Invalid entry in safe machine parameter

Deviations in safe machine parameter

MC self test %1 not started

MC self test %1 not detected

MC Incorrect command from the MC

MC Invalid SPLC operating mode

MC brake control is defective %2

MC brake control is defective

MC error in the cutout channel STO.A.x (-STO.A.P.x=0) %2

MC error in the cut-out channel STO.A.x (-STO.A.P.x=1) %2

CC%2 error in cut-out channel STO.A.x (-STO.A.MC.WD=0)

CC%2 error in cut-out channel STO.A.x (-STO.A.MC.WD=0)

CC%2 error in cut-out channel STO.A.x (-STO.B.P.x) axis

CC%2 error in cut-out channel STO.A.x, RDY signal missing

Self-test required

MC drives cannot be switched on: NN_GenSafe = 0

Error during activation of an FS configuration

FS configuration error: machine IDs do not match

Maximum number of FS data records has been reached

Maximum number of FS configurations has been reached

MC manual operation. Only one axis allowed.

A fatal reconfiguration error was triggered

Acceptance not allowed during configuration process

Error during activation of an FS configuration

Axis-group-specific guard door is open (MC) %1

Axis-group-specific guard door is open (CC) %1

The time until the next brake test is invalid for one axis %1

Commissioning function for FS is active

FS data record cannot be accepted

Self-test required

Activation of the automatic change mode not possible

MC: S status reaction is active: %1

MC error, device-specific evaluation CC %2 / %3, error %1

SKERN-MC: single-event-upset error (SEU) was determined

SMC error in the configuration data %1

Checking of axes of various axis groups

Reconfiguration while checking the axes

Checking of an externally monitored axis

Permissive button missing while checking

Checking during a fatal error

Axis not at test position

FS configuration with a parameter whose value cannot be

Internal software error

Checking of axes of different axis groups

CC error while testing axes

Internal software error SMC

Key non-functional

Selected block not addressed

Parameter not found %1

Error while reading the model data from %1

Error while writing the model data to %1

Directory '%1' could not be created.

Selection of %1 not allowed

Unable to write parameter

Error in preset table

Incomplete graphic model

Error while transferring command to PLC server

File is being saved and cannot yet be opened

Message %1 cannot be transmitted

The application could not be initialized

option %1 specified

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