It seems that the auto off timer in the app gets confused when my wemo dimmer receives more than one turn on trigger from ifttt. The available options are.

Wemo Smart Plug Smart Home
Wemo auto off timer. At the top under turn off tap on the switch that you want to apply the timer to if you have multiple wemo switches. Tap on time and set when you want the wemo switch to turn on. A power cycle of wemo smart plug is very simple. Choose what wemo devices the rule will control. Unplug the smart plug wait for 20 seconds and then plug it back in. Choose when the rule will run.
Wemo is a growing family of innovative easy to use products that use mobile internet to control your home electronics power water and wifi right from your smartphone or tablet. A great use for this is to make sure your wemo light switch turns off automatically a few minutes after you leave your house making it one less thing to worry about. You will see the main screen of the app that you can turn onoff edit making rules etc. The auto off timer is a countdown timer for your wemo devices. The auto off timer rule allows your wemo device to turn off some time which you can set after you turned it on. Wemo wi fi light switch 3 way 2 pack bundle control lighting from anywhere easy in wall installation works with alexa google assistant and apple homekit wls0403 bdl 43 out of 5 stars 440 6999 69.
The auto off timer doesnt count down from wemo insight switched to power on from off but the countdown restarted for every standby 2 w to full power 1000 w so in result its indefinite wemo switch power on that will never be powered off by the timer. When you select one more options will pop up underneath it. Discover wemos new vision and learn how wemo can make life simpler smarter and whole lot more magical. Wemo also works with ifttt connecting your home electronics to a whole world of online apps. Choose the countdown duration. If you only have one wemo switch the choice is pretty easy.
After that there is no longer a setup screen. Once a wemo device is turned on it begins a countdown to when it will automatically turn itself off. On the next screen select the wemo switch you want to set up for auto onoff under turn onoff. Select with auto off timer. Next tap on under when. Next set how long the timer will run before the wemo switch shuts off.
Android app doesnt allow to set lower then 2 w and as result every coffee machine heater off is treated as standby 2. I have 3 door contact sensors and one motion sensor wyze that are set to turn my hallway light on via ifttt and the auto off timer doesnt work when the dimmer gets triggered more than once which happens all the time. Tap on done when youve selected a time. Were going to first set up when the switch turns on so tap on. There are predetermined times that you can select but you can also choose custom and tap on set.