- Nikon Autofocus Speedlight User's Manual
F–2
F
Tips on Speedlight care and reference information
Troubleshooting
If a warning indicator appears, use the following chart to determine the cause of the
problem before you take your Speedlight to a retailer or Nikon representative for repair.
Problems with the SB-900
Problem Cause Solution
Ref.
page
The power cannot be
turned on.
The batteries are not
correctly installed.
Insert the batteries correctly.
k
C-4
Battery power is weak. Replace the batteries.
k
C-27
The ready-light does not
light up.
The standby function is activated.
Turn on the power.
k
C-28
Battery power is weak. Replace the batteries.
k
C-27
A strange sound can
be heard caused by the
fl ash head zooming back
and forth even when the
SB-900 is turned on.
Battery power is weak. Replace the batteries.
k
C-27
The fl ash shooting
distance range does not
appear.
The fl ash head is not set to the
horizontal/front position.
Set the fl ash head to the
horizontal/front position.
k
C-6
Aperture information has not
been received from the camera.
Confirm the camera setting.
Mount the SB-900 to a
camera.
•
•—
ISO sensitivity information has not
been received from the camera.
The SB-900 cannot receive the
focal length information from
the camera.
Turn off the SB-900 and camera,
and turn on them again.
—
Zoom position does not
set automatically.
The built-in wide-fl ash adapter
is in use or the Nikon Diffusion
Dome is attached.
Remove the wide-
flash adapter or the
Diffusion Dome.
Set the following custom
setting to manual setting:
“Zoom position setting if the
built-in wide-flash adapter is
broken off accidentally.”
•
•
k
D-29
k
D-31
k
C-25
Power zoom function
is canceled.
Activate the auto power
zoom function.
k
D-57
The SB-900 does not
work even when any
button is pressed.
Control buttons are locked
.
Cancel key lock.
k
C-9
The SB-900 does not
fi re.
“Canceling fl ash fi ring”
is activated in the custom
setting.
Cancel “Canceling fl ash fi ring”
in custom setting.
k
C-23
Master and remote fl ash units
cannot transmit the command
because they are positioned
too near.
Place the master and remote
fl ash units at an appropriate
distance from each other.
k
D-44
k
D-51
The SB-900’s temperature
may rise
Wait until the SB-900 cools
down naturally.
k
F-6