@Wayne-TP hi Wayne. No error and the voice command was recognised (Alexa said "ok") but did nothing. The light will also not switch off via the Alexa app controls. However, here is some new info: If...

The S112 switch works perfectly with the TAPO app so I know it is correctly installed - can switch off and on. I've have added the switch to Alexa successfully and I'm able to control the switch to...