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Possible cause:
The batteries are installed in the wrong orientation.
Solution:
Install the batteries in the correct orientation.
Possible cause:
The batteries are exhausted.
Solution:
Replace the batteries.
Possible cause:
The speedlight is not attached securely to the camera.
Solution:
Attach the speedlight's mounting foot securely to the camera.
Possible cause:
The electrical contacts of the speedlight and/or
camera are dirty.
Solution:
Carefully clean the contacts.
The
Test
Button (READY) Does Not Respond
Possible cause:
The control buttons are locked.
Solution:
Look at the LCD display. if the key icon appears, unlock the
controls.
Possible cause:
The LED light may be on.
Solution:
Turn off the LED light. The flash cannot fire while the LED is on.
The Slave Unit Does Not Fire
Possible cause:
The slave unit is not positioned properly.
Solution:
Place the slave unit within the master unit’s transmission range
The Speedlight Does Not Fire
