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 versions often cause binding failures. Next, verify that your receiver is in bind mode—this usually involves pressing a button or shorting pads while powering it on. Check the LED indicators on the receiver; a flashing light typically means it’s ready to bind. On your transmitter, enter bind mode via the ExpressLRS module or radio menu. Keep the transmitter close to the receiver (within 1 metre) during binding to avoid signal issues. Also, confirm that the receiver’s antenna is properly connected and not damaged. If you’re using an external module, make sure it’s seated correctly. Finally, try powering both devices off and on, then attempt binding again. If problems persist, reflash firmware on both devices using the ExpressLRS Configurator to ensure clean installs. Following these steps should resolve most binding problems.
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