[solved] No LED indication when turned "on"

Hi,

I just received a wall outlet SK01-TAS-1. I noticed, that a red led comes on while the outlet is being powered and goes off shortly after.

When I turn the outlet on (via the local switch or the UI), there is no indication that the relay is on (except in the UI. Is there a way to program the led so it comes on when the relay is activated?