Nikon D4s User Manual page 469

Indicator
Control
Monitor panel
No memory card. S
This memory
card cannot be
W,
used.
R
Card may be
i/j
damaged.
(flashes)
Insert
another card.
This card is not
[C]
formatted.
(flashes)
Format the card.
Failed to update
flash unit
firmware.
Flash cannot be
used.
Contact a Nikon-
authorized
service
representative.
Problem
Camera cannot
detect memory
card.
• Error accessing
memory card.
• Unable to create
new folder.
Memory card has
not been
formatted for use
in camera.
Firmware for flash
unit mounted on
—
camera was not
updated correctly.
Solution
Turn camera off and
confirm that card is
correctly inserted.
• Use Nikon-
approved card.
• Check that contacts
are clean. If card is
damaged, contact
retailer or Nikon-
authorized service
representative.
• Delete files or insert
new memory card
after copying
important images
to computer or
other device.
Format memory card
or insert new memory
card.
Contact a Nikon-
authorized service
representative.
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