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Troubleshooting
If there is a problem, refer to this Troubleshooting Guide.
The Camera Flash cannot be charged.
● The battery is installed in the wrong direction.
→Install the battery in the correct direction.
● The camera flash's internal battery is exhausted.
→If <
> appears and blinks on the LCD panel, recharge the
battery immediately.
The Camera Flash does not fire.
● The camera flash is not attached securely to the camera.
→Attach the camera's mounting foot securely to the camera.
● The electrical contacts of the Camera Flash and camera are dirty.
→Clean the contacts.
The power turns off by itself.
● After 90 seconds of idle operation, auto power off took effect if the
flash is set as master.
→Press the shutter button halfway or press any flash button to
wake up.
● After 60 minutes of idle operation, the flash unit will enter sleep
mode if it is set as slave.
→Press any flash button to wake up.
Auto zoom does not work.
● The camera flash is not attached securely to the camera.
→Attach the camera flash's mounting foot to the camera.
The flash exposure is underexposed or overexposed.
● You used high-speed sync.
→With high-speed sync, the effective flash range will be shorter.
Make sure the subject is within the effective flash range
displayed.
● You used Manual Flash mode.
→Set the flash mode to TTL or modify the flash output.
Photos have dark corners or only parts of the target subject
are illuminated.
● The focal length of lens exceeds the flash coverage.
→Check the flash coverage you set. This flash unit has the flash
coverage between 24 and 105mm, which fits full-format
cameras. Pull the wide panel out to extend the flash coverage.
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Compatible Camera Models
This flash unit can be used on the following Canon camera models:
1Dx Mark II
1Dx
5Ds/5Dsr
5DIV
7D Mark II
7D
6D Mark II
6D
60D
50D
40D
30D
650D
600D
550D
500D
1200D
1000D
1100D
100D
● This table only lists the tested camera models, not all Canon cameras.
For the compatibility of other camera models, a self-test is recommended.
● Rights to modify this table are retained.
Maintenance
● Shut down the device immediately should abnormal operation be detected.
● Avoid sudden impacts and the product should be dedusted regularly.
● It is normal for the flash tube to be warm when in use. Avoid continuous flashes
if unnecessary.
● Maintenance of the flash must be performed by our authorized maintenance
department which can provide original accessories.
● This product, except consumables e.g. flash tube, is supported with a one-year
warranty.
● Unauthorized service will void the warranty.
● If the product had failures or was wetted, do not use it until it is repaired by
professionals.
● Changes made to the specifications or designs may not be reflected in this
manual.
Statement
A. This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including interference
that may cause undesired operation.
B. Warning: Changes or modifications to this unit not expressly approved by the
part responsible for compliance could void the user's authority to operate the
equipment.
C. NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following
measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
5D Mark III
5D Mark II
5D
80D
77D
70D
800D
750D/760D
700D
450D
400D Digital
350D DIGITAL
M5
M3
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