Nikon D3400 User Manual page 115

Indicator
Monitor
Battery level is low.
Complete operation
and turn camera off
immediately.
Clock not set
No memory card
inserted
Memory card is locked.
Slide lock to "write"
position.
This memory card
cannot be used. Card
may be damaged.
Insert another card.
This card is not
formatted.
Format the card.
Card is full
—
Viewfinder
End cleaning and turn camera off and
—
recharge or replace battery.
s
Set camera clock.
(flashes)
S/s
Turn camera off and confirm that card is
correctly inserted.
(flashes)
Memory card is locked (write protected).
(
Slide card write-protect switch to "write"
(flashes)
position.
• Use approved card.
• Format card. If problem persists, card
may be damaged. Contact Nikon-
(/k
authorized service representative.
(flashes)
• Error creating new folder. Delete files
or insert new memory card.
• Insert new memory card.
T
Format card or turn camera off and
(flashes) insert new memory card.
• Reduce quality or size.
j/A/s
• Delete photographs.
(flashes)
• Insert new memory card.
●
Camera can not focus using autofocus.
Change composition or focus manually.
(flashes)
Solution
91