@Wayne-TP Thanks for your response. I'm sure all the schedules are correct. The device has operated almost perfectly for 5 or 6 months. I have had 6 failures in thousands of switch events. I always...

My P300 fails to switch on/off about once every 3 to 4 weeks. The app claims that the switch is off when it is actually on or vice-versa. The schedule itself seems reliable but the relay (or whatever...