ERROR 139: Communication error

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Error handlingET/MT-3x6, ET/MT-2x8 series error messagesError Messages of Individual DriversSiemens 3964RERROR 139: Communication error

 

The part supplementary data of the Communication error message is like this:

 

-<direction>

 

The label's meaning is following:

ERROR 139: Communication error

Label

Meaning

A

The slave responses by NAK on the request telegram sent by the master

B

There is not any DLE STX response of the slave on the request telegram sent by the master

C

The error response telegram was not received completely

D

The response telegram was not received completely

E

No character or less than 4 characters of the response telegram were received

 

 

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