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Siemens AG
Entry type: FAQ Entry ID: 106448933, Entry date: 12/01/2014
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Why does the FX300 unit have access codes? And what are the codes?

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Question:
Why does the FX300 unit have access codes? And what are the codes?

Answer:
The FX300 has two different access codes.

Code 1 is a user menu code.
It locks the standard menus 1.x.x to 3.x.x preventing unwanted access.
The link below is for the Operating Instructions in which it is described how to activate Code 1.

Code 2 is the service menu code.
Only skilled Siemens personnel can get access to the service menus 5.x.x using this code.

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