Objectives of the course

  • The participants understand the functional principles of a HEIDENHAIN control, of the drives, the position and speed encoders, the machine tool and the interaction of these components
  • They learn diagnostic possibilities on the control and troubleshooting routines, and how to employ them
  • From error messages and/or error patterns they can locate an error and restore the function of the machine by specifically exchanging units or components

Target group

Specialists for service, maintenance and commissioning


  • Knowledge of NC-controlled machine tools
  • Fundamentals of electronics / electrical engineering
  • Basic computer skills (Windows)

Course contents

TNC controls

  • Components of the TNC 620/TNC 640
  • Display and operation
  • Notes on functional safety
  • Data media and data backup
  • Machine parameters
  • PLC diagnostics
  • HSCI bus diagnosis and HardwareViewer
  • Error messages, log and services files
  • Encoder interface
  • Reference run
  • Interface to the drives
  • Notes on drive generation Gen 3
  • Diagnostics and practical debugging
  • Exchange instructions
  • Subject to change without notice!

Please bring your own computer or notebook, which must meet the following requirements:

  • Microsoft Windows
  • Zip-compatible extraction software
  • Rights to install software
  • USB port with removable media access
  • Ethernet connection (RJ45)
  • Ethernet connection with cable and a configured network environment (Ethernet TCP/IP)

HEIDENHAIN cannot provide any computers or notebooks for the course.

Please note that this training class is subject to cancellation if the minimum participant count is not met by two weeks before the scheduled start date. All registered participants will be notified in the event of a cancellation and offered the opportunity to reschedule.

After submitting your registration, someone will be in contact with you regarding payment. Registration is considered confirmed only after your payment has been received.

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