Problem: S266 indicator LED light is off (applicable to all BLIIOT devices)
1. Problem: S266 indicator is off (applicable to all BLIIOT devices)
      Possible causes and solutions:
1) Whether the device has opened the switch;
2) Measure the power supply voltage with a multimeter,Is it a stable 12V?
               If yes, prove that the device is no problem and connect the power supply to charge the device for a period of time;
               If not, please replace the power adapter and try again;
3) If the above steps are completed, the equipment is still unresponsive. Please contact the BLIIOT sales staff.