Question: Why won’t my ExpressLRS receiver bind to the transmitter?
Answer: First, ensure both your transmitter and receiver are running compatible ExpressLRS firmware versions. Mismatched firmware often prevents binding. Power up the receiver and put the transmitter into binding mode, usually by holding the bind button or selecting bind in the LUA script. Check that the receiver’s bind button is pressed or the bind pad is shorted when powering it on, depending on your model. Confirm the receiver’s LED indicates it’s in bind mode (often blinking). Maintain a close distance between transmitter and receiver during binding, ideally under 1 metre. If binding still fails, verify your receiver’s antenna is properly connected and intact, as poor signal can block the process. Lastly, try reflashing both devices with the latest stable ExpressLRS builds, then attempt binding again. Following these steps typically resolves binding problems quickly.
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