Troubleshooting – Nikon 990 User Manual
Page 100
T
echnical Notes:
T
roub
leshooting
100
Troubleshooting
Check the list below before consulting your retailer or Nikon
representative. Click the page numbers in the rightmost col-
umn for more information on how to solve the problems listed.
Problem
Possible cause
Problem
Possible cause
Control panel
display is blank
• Camera is off
• Batteries are not correctly in-
serted or battery-chamber cover
is not fully closed
• Batteries are dead
• AC adapter (available separately) is
not properly connected
No photo
taken when
shutter-release
button fully
pressed
• Mode dial is not set to A-REC or
M-REC
• Batteries are exhausted
• AF lamp flickers: camera unable to
focus
• Flash lamp flickers: flash is charging
• Number of exposures remaining in
control panel shows zero: not
enough memory remaining
• Message “CARD IS NOT FOR-
MATTED” appears in LCD moni-
tor: card not correctly formatted
• Message “NO CARD PRESENT”
appears in LCD monitor: no
memory card inserted in camera
Photos are
over- or under-
exposed
• Shutter-speed indicator in LCD
monitor blinks: shutter speed too
low or too high
• Aperture indicator in LCD moni-
tor blinks: aperture too wide or
too small
• Subject outside of flash range
• Exposure compensation too high
or too low
LCD monitor
is blank
• Monitor is off. Press MONITOR
button.
• Monitor Off selected in Display
Mode sub-menu of M-REC setup
menu
No indicators
appear in LCD
monitor
• Indicators are hidden. Press
MONITOR button until indicators
are displayed.
• Slide show is in progress
LCD monitor
is hard to read
• Display options require adjustment
• Monitor is dirty