Make sure your primary switch is covered with strong Wi-Fi. If not, we suggest you to use a Wi-Fi range extender. Also，make sure your Wi-Fi password hasn’t been changed. If still not working, please press restart button to reboot your switch.
CAUTION: Risk of electric shock
MSS510/MSS560/MSS565/MSS570: Max 400W (INC) and 150W (CEL and LED).
MSS550: Max 200W (INC) and 150W (CEL and LED).