Status LED - SmartOutput module with SmartRelay 3

There is also a three-colour RGB LED which indicates the SmartOutput module's status.

Lights up green every five seconds

Communication with SmartRelay OK

Lights up red every five seconds

Communication with SmartRelay disrupted (e.g. bus line busy due to communication by other modules)

Flashes green/red

Communication is taking place with SmartRelay

Flashes red

Supply voltage too low