Why won't my Weathermatic SmartWire 9600TW allow entry to SMART, and there's no antenna icon?
- BBrian FieldsOct 31, 2025
There are several reasons why your Weathermatic controller might not allow entry to SMART or show an antenna icon: * The system may require the installation of an SLW Weather Sensor; if so, install the optional SLW Weather Sensor. * The SLW Weather Sensor might not be initialized; initialize it according to the instructions in the SMART section. * Required SMART settings could be missing; push and hold the MODE button for a scrolling message indicating needed information, then enter the time, date, and ZIP Code or Latitude. * The SLW Weather Sensor battery might be drained; replace the battery. * There could be a communication cable or wireless communication problem; check the cable and connections at the controller and use SLW battery diagnostics to check for RF problems on a w...








