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Troubleshooting Guide
Power-related problems
Normal flash photography
Radio transmission wireless flash photography
Linked shooting
Troubleshoot Speedlite issues as described in this section. If the problem persists, contact a
Canon Service Center.
Power-related problems
Batteries cannot be charged with the charger.
Batteries are not charged unless the remaining capacity is lower than approx. 90%.
Do not use battery packs other than a genuine Canon Battery Pack LP-EL.
The charger lamp blinks rapidly.
Constant, rapid orange blinking of the lamp indicates that a protection circuit has
prevented charging because (1) there is a problem with the battery charger or battery, or
(2) communication with a non-Canon battery has failed. In the case of (1), unplug the
charger, reinsert the battery pack, and wait 2–3 minutes before plugging the charger in
again. If the problem persists, contact a Canon Service Center.
The charger lamp does not blink.
For safety, hot batteries inserted in the charger are not charged, and the lamp remains
off. Charging also stops automatically if the battery becomes hot for any reason, in
which case the lamp blinks continuously. Charging resumes automatically after the
battery has cooled off.
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