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Ensuring Availability
3.3 Hardware update
Procedure when a download error occurs
If the download operation was terminated by an error, no LED is lit on the CP.
1. Switch the power supply of the rack off and on again.
2. Repeat the load operation.

Working with GSD files
Working with GSD files
STEP 7 Version 5 applies a more stringent test to the GSD files (GSD = Device Master
dataFfile). Syntax errors or non-interpretable errors can occur with GSD files from an older
project, however.
Improved help texts are provided for syntax errors and GSD problems starting with STEP 7
Version 5.1 SP2.
If the following measures are not successful, contact the device manufacturer and request a
new GSD file. You can find solutions for some errors in this table:
Service support and diagnostics (V8.0)
Service Manual, 03/2012, A5E02779775-02


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