Using The Service Manual; General - HEIDENHAIN TNC 426 CB Service Manual

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Using the Service Manual

1.1

General

About this manual This service manual will assist service personnel in the diagnosis and correction of errors on
TNC-controlled machine tools.
This manual refers to:
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TNC 426 / TNC 430 with NC software 280.474/475
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TNC 426 / TNC 430 with NC software 280.476/477
Udpate service This service manual is regularly updated. You find the current - printable - version in the service
section of our website (www.heidenhain.de ): Choose FileBase - Public, Documentation Service.
Printed copies of the manual are only distributed to the participants of our service training
courses.
Other Service Other Service Manuals:
Manuals
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TNC 426 CA/PA for NC software 280 460/461/462/463
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TNC 426 CB/PB / TNC430 CA/PA for NC software 280 470/471/472/473
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Inverter Systems and Motors
Other You will find further important information in the following documents:
documentation
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OEM documentation
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Operation Manual (HEIDENHAIN)
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CD-ROM TNCguide (HEIDENHAIN)
The machine tool builder must be contacted in case of error diagnosis.
However, support will also be provided by the Service Department at HEIDENHAIN Traunreut
or by the nearest HEIDENHAIN agent.
You will find the necessary telephone and fax numbers, as well as relevant e-mail addresses,
on the back cover of the Service Manual, or on the HEIDENHAIN home page at
http://www.heidenhain.de.
November 2001
Note
Service personnel must possess a comprehensive knowledge about drives, inverters,
NC controls and measuring systems for correct evaluation of the malfunction of
an NC controlled machine.
Improper operation of control, incorrect NC programming or incorrect (non-optimized)
machine parameter values can lead to faulty machine performance.
Caution
HEIDENHAIN can accept no responsibility for direct or indirect damage or injury caused to
property or persons through improper use or incorrect operation of the machine.
Note
It is extremely important to read also the general safety precautions on the following page,
see page 1- 6.
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