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Canon Product Advisory for Speedlite 600EX-RT and ST-E3-RT Transmitter

December 13, 2015 By Eric Reagan

Canon 600EX-RT

Canon has issued a product advisory for the Speedlite 600EX-RT and the ST-E3-RT Transmitter. Problems can arise with certain units when 7 or more units are linked together.

See the complete product advisory below, including instructions for identifying whether it affects your own equipment.

Firmware Notice: Speedlite 600EX-RT and Speedlite Transmitter ST-E3-RT

Firmware Notice

Thank you for using Canon products.


Phenomenon

Except as described below, the following will occur with the affected units listed below:

Linked shooting and wireless flash shooting with radio transmission will not work in some setting modes when 7 or more units are linked. This phenomenon does not occur when 6 or fewer units are linked.


Affected Products

Speedlite 600EX-RT and Speedlite Transmitter ST-E3-RT

Units with a combination of 3rd and 4th digits in the serial number in the ranges shown below are affected:

  • Speedlite 600EX-RT:                            [xx01xxxxxx] ~ [xx13xxxxxx]
  • Speedlite Transmitter ST-E3-RT:           [xx01xxxxxx] ~ [xx03xxxxxx]

Note:  If the battery compartment of an affected unit contains the marking illustrated below, the product is NOT affected by the phenomenon described above, even if the serial number is within the ranges mentioned above.

advisory_speedlite


Support

To arrange to have an affected unit inspected and serviced for this phenomenon at no cost, please contact Canon using the information below.

This information is for residents of the United States and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region.

Thank you for using Canon products.

Customer Support Operations
Canon U.S.A., Inc

Contact Information for Inquiries
Canon Customer Support Center
Phone:    1-800-OK-CANON
1-800-652-2666
TDD:      1-866-251-3752
Email: carecenter@cits.canon.com
For additional support options: usa.canon.com/support

Filed Under: Canon Tagged With: 600EX-RT, Canon, firmware, product advisory, Speedlite, ST-E3-RT

 

Comments

  1. Jared says

    December 13, 2015 at 10:24 pm

    I picked up a Yongnuo equivalent to this Speedlite, but I only have one, so nothing to test with.
    Wonder if they’ll have the same problem? It’s more likely to get 7 Yongnuo ‘Speedlites’ rather than 7 Canon Speedlites, at $120 each compared to Canon’s $500+ each.

    • Eric Reagan says

      December 14, 2015 at 2:05 am

      Ha. For sure.

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