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Canon EL-5 Not Linking in Radio Receiver Mode (Channel & ID Match)

yznjbr
Apprentice

Hello everyone,

I'm having trouble getting my new Canon Speedlite EL-5 to link with my ST-E10 transmitter of my R5 MarkII. I'm hoping someone can spot what I might be missing.

The Problem: I have the EL-5 set to radio receiver mode, but it will not establish a link with my sender. The "no connection" symbol (the crossed-out circle) remains on the flash's screen, and the LINK light stays off.

My Settings:

  • Sender (ST-E10): Channel 2, Wireless ID 1000

  • Receiver (Canon EL-5): Channel 2, Wireless ID 1000

Screenshot 2025-08-31 at 12.14.07 AM.pngScreenshot 2025-08-31 at 12.14.21 AM.pngScreenshot 2025-08-30 at 10.19.52 PM.png

As you can see from the photos, the settings appear to match perfectly, but the connection fails.

Troubleshooting Steps Taken:

  1. Confirmed the EL-5 is in "Radio transmission wireless RECEIVER" mode.

  2. Set the Channel to 2 and ID to 1000 on both the camera/sender and the EL-5 flash.

  3. Double-checked the settings on both screens.

  4. Tried clearing and re-configuring the wireless settings.

Any advice would be greatly appreciated. Thanks!


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