"ERR" LED

The following table describes the display functions of the "ERR" LED:

LED

Meaning

Off

No error

The interface is in operating state.

Red

Flickering

Boot error

A BOOT error has occurred.

"INIT" state has not been reached.

However the "Change" parameter is set to "0x01:change/error".

Red

Flashing

Invalid configuration

A general configuration error has occurred.

Red

Flashing once

Unrequested state change

The slave application has changed the state automatically.

The "Change" parameter is set to "0x01:change/error".

Red

Flashing twice

Application watchdog timeout

A watchdog timeout error has occurred in the application.

Red

Illuminated

PDIPDI = Process Data Interface Watchdog Timeout

A PDI watchdog timeout error has occurred.