FIBARO FGS 213: How to Connect Monostable Switches With Backlighting Without False Trigger

Hello forumers,

I have the following problem with the connection of a Fibaro relay and basically with its override using monostable switches with integrated backlighting.

The aforementioned backlighting is bridging and permanently applying 160 volts to the S1 input of the module, which is thus excited all the time.

Can anyone give me an idea how to solve this. I tried plugging in a small relay but the effect was the same, i.e. the przeknik would not return to the falling state when the button was pressed. I gave the input to the relay three resistors connected in parallel 3x 110 KOhm . At first the effect was better, i.e. the circuit worked, but the relay buzzed after dropping. Now only a buzzing sound is heard when the button is pressed. The current is too small to wake it up.

Greetings,

Thomas

Try connecting a 50kOhm resistor between N and S1 on the FGS 213.
If this does not help, disconnect the backlighting from S1 on the switch and, if you have a spare wire, connect it under the backlighting and feed the other side with N on this wire.