There's a bind, but no connection - all ELRS problems

Опубликовано: 21 Май 2026
на канале: DRONOFLY FPV
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🔥 ELRS NOT WORKING? A complete breakdown of ALL possible problems – from binding to silence in Betaflight!

"ELRS is simple," they used to say... But then you assemble the drone, turn it on, and nothing works. The receiver won't bind, the sticks don't respond, the LED blinks like a Christmas tree, and you're left wondering, "What did I do wrong?" 🤯

Sound familiar? Then this video is your lifeline.

In this breakdown, I've compiled the MAXIMUM number of possible ExpressLRS problems you might encounter in practice. Not theory from manuals, but real-life cases: from "why isn't the light on?" to "there's a bind, but no control."

🎯 Who is this video for
✅ A beginner pilot who just built their first drone with ELRS and encountered the "it doesn't work" magic
✅ An experienced user who switched to ELRS and is now puzzling over compatibility
✅ Anyone tired of reflashing everything in the hopes that "maybe it will work"

🎯 What's inside
🔹 Why ELRS won't bind at all
🔹 Why there's a bind, but Betaflight is silent
🔹 Soldering, UART, and settings errors
🔹 Version incompatibility (2.x / 3.x / 4.x)
🔹 Packet Rate, Gemini, and an unstable link
🔹 SPI receivers and their pitfalls
🔹 Conflicts with DJI and strange hardware bugs

🔗 Useful Links
📋 Official ExpressLRS LED Flashing Chart: https://www.expresslrs.org/quick-star...
⚙️ ExpressLRS Configurator: https://expresslrs.github.io/web-flas...
📦 Betaflight Firmware: https://app.betaflight.com
🎥 My video on flashing ELRS receivers:    • 4 способа прошивки ELRS приемника | Полное...  
📱 My Telegram channel with quick updates: https://t.me/dronofly

👇 Leave a comment
➤ What problem with ELRS have you encountered?
➤ What helped you solve it?
➤ Which point from this video was the most helpful?

Perhaps your case will help another pilot save some time! 💬

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⏱️ TIMECODES
00:00 Introduction
01:20 ELRS RECEIVER BIND
01:35 - Receiver type detection
02:17 - Triple power supply bind
02:37 - Betaflight bind
02:59 - ELRS receiver reset via web interface
03:44 - What is a bind phrase
04:05 - Bind via bind phrase
05:15 NO HARDWARE AND RECEIVER BIND
05:30 - Receiver not working
05:53 - Receiver not in bind mode
06:08 - Does not match Bind phrase
06:23 - ExpressLRS versions
06:48 - bands and frequencies
07:15 - FCC and LBT (regional settings)
07:48 - incorrect receiver firmware
08:28 - bind not saved
08:55 - no ELRS module in the device
09:15 - enabling the ELRS module in the device
09:30 - unsupported Packet Rate
10:19 - Gemini mode of the device
10:50 - LED on the receiver is constantly on
12:05 - the receiver stops working when the battery is connected
12:49 - there is only a close connection
13:34 BIND PRESENT. NO CONNECTION
13:50 - connecting the receiver to the flight controller
14:17 - the receiver blinks three times
14:42 - the Serial RX checkbox is missing
15:17 - something else is enabled on the UART besides Serial RX
15:34 - incorrect settings on the receiver tab in Betaflight
15:54 - connecting to SBUS instead of UART
16:22 - outdated settings in the CLI
16:53 - Betaflight before version 3.1
17:19 A FEW WORDS ABOUT SPI
17:49 - Betaflight versions and SPI ELRS
18:36 - SPI receiver bind
18:58 - Betaflight settings for the SPI receiver
19:17 SUMMARY
20:21 - LED is important
20:53 FINAL

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