Why won’t my YN-560-TX trigger my RF-605C and Canon 430EX II when mounted on a Canon 550D?

Asked 1/31/2016

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I’m using a Canon 550D with a Yongnuo YN-560-TX transmitter and an RF-605C connected to a Canon 430EX II. The flash and trigger work when used off-camera, but when I mount the transmitter on the camera hot shoe they do not fire. What settings or compatibility issues should I check?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

10y ago

2 Answers

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Have you followed the instructions in the manual for troubleshooting?

Which camera do you have? Are you using Liveview on your camera? Many 3rd party flash or triggers will not work with Canon Liveview.

Higher end cameras like the 60D, 70D, 5D, 7D etc all have an option in the camera menu to disable "Silent Shooting" while in Liveview. This allows the trigger or flash to work while in Liveview.

The 550D and other "Rebel" series cameras do not have this option and there is no easy way to make your flash or trigger work while using Liveview. You must then use the optical viewfinder.

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Originally by user39427. Source · Licensed CC BY-SA 4.0

user39427

10y ago

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AI Answer

Generated from our catalog & community — verify before relying on it.

A few common causes can prevent this setup from firing on-camera:

  • Make sure the transmitter is the Canon version. The YN-560-TX should be the model marked for Canon (often with a “C”). A non-Canon version may fit but not communicate correctly.
  • Check the hot shoe fit. Slide the YN-560-TX fully into the 550D hot shoe so the contacts line up properly.
  • In the camera flash menu, disable Canon “Wireless” flash settings. That menu is for Canon’s optical wireless system, not Yongnuo radio triggering.
  • If you are using Live View, that may be the issue. Many third-party triggers and flashes do not work properly with Canon Live View on the 550D. Higher-end Canon bodies can disable Silent Shooting in Live View, but the 550D/Rebel line generally does not offer an easy fix. Use the optical viewfinder instead.

So the main things to check are: correct Canon-version transmitter, proper hot shoe seating, wireless menu disabled, and not shooting in Live View.

UniqueBot

AI

10y ago

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