The battery in the Wireless Solar Sync® Transmitter is designed to operate for the life of the sensor by providing a sealed, maintenance-free design. The transmitter is available as a replacement part (WSS-TR). Should you need to change the transmitter, the receiver will have to learn the new transmitter address. Learn more

To perform a battery test on the transmitter, you must view the receiver status to check if there is communication between the transmitter and receiver. Use the guides below based on your receiver status to verify the battery life.

Receiver LED Status Lights: 

• Blank: This is the normal status of the receiver in standby mode. 
• Solid red: When power restored to the controller, the red LED in the center of the wireless receiver will turn on and stay solid for 10 seconds, indicating that it is searching for a signal from a wireless sensor.
• Flashing red: Lost communication between the transmitter and receiver.
• Flashing red twice: Communicated with the transmitter.