1 .Power does not turn on or the flash dose not fire.
Please check if the speedlite is in overheat protection status.
lf the electrical contacts of the speedlite and camera are dirty, clean the
contacts.
2.The flash automatically shut off the power
Please check if the flash enable the power saving mode or whether the
battery power is enough.
3.Photos are under exposure or over exposure?
Check if the set shutter, aperture and ISO are too near the flash limit or if
some settings including exposure compensation in relation to flash are
proper.
4.Vignetting appears in photos or only part of the subject is illuminated?
Please check the current coverage of focal length and make sure if the lens
focal length exceeds the coverage range of the flash. The product's zooming
range is 20~105 mm of the medium format system. You can try to pull out the
wide-angle diffuser to expand the flash range.
5.The radio slave unit does not fire.
Set the master unit to[ ]and [ ], set the slave unit to [ ] and [ ].
Set the transmission channel and radio IDs of the master unit and slave unit
to the same numbers. Check that the slave unit is within the transmission
range of the master unit.
6.The optical slave unit does not fire.
Set the master unit to[ ] and[ ](about the master unit please refer to
the master unit’s usermanual) and set the slave unit to [ ]and[ ].Set
the transmission channel and of the master unit and slave unit to the same
numbers. Check that the slave unit is within the transmission range of the
master unit.
7.Can not test flash or master flash does not fire.
Please check if the LED light is ON.
Please press function button[ ]to check if the master unit is set as
disabled.
8.Other problems
Try to clear the settings of flash and camera, try to disable the flash
power source and then restart the flash.
Make sure that the batteries are installed in the correct orientation.
Troubleshooting
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Power
Flash Specifications
Weight and Dimensions
