BECKHOFF EK1914 User Manual

Page 38

Operation

EK1914

4.4.1.3

Diag 2 (red) flashing code

In the case of an error, the Diag 2 LED displays a flashing code that describes the error in more detail.
The flashing codes are structured as follows:

Flashing sequence

Meaning

Rapid flickering

Start of flashing code

First slow sequence

Error code 1

Second slow sequence

Error code 2

Third slow sequence

Error code 3

fourth slow sequence

Error code 4

Start

Error code 1

Error code 2 ...

The errors indicated by the following flashing codes are reversible. After rectification of the error cause,
the Bus Coupler can be put back into operation with a restart.

Diag 2 LED

Flashing
Code

Meaning

Remedy

2-1-1-1

The temperature has exceeded the maximum permissible
temperature (µC1)

Ensure observance of the
permissible ambient
temperature.

3-1-1-1

The temperature has exceeded the maximum permissible
temperature (µC2)

4-1-1-1

The temperature has fallen below the minimum
permissible temperature (µC1)

5-1-1-1

The temperature has fallen below the minimum
permissible temperature (µC2)

If another flashing code is displayed, there is an internal coupler error that has stopped the Bus Coupler.
In this case the Bus Coupler must be checked by Automation GmbH & Co. KG.

Note

Note flashing codes; return the Bus Coupler

Note the flashing code displayed and include this information with the Bus Coupler
when you return it.