Troubleshooting

246

Technical Notes—T

roubleshooting

Troubleshooting

Understanding Error Messages and Displays

This section lists the indicators and error messages that appear in the view-
fi nder, control panel, and monitor when there is a problem with the camera.  
Con sult the list below before contacting your retailer or Nikon representa-
tive.

Indicator

Problem

Control 

panel

View-

fi nder

Solution

20

Lens aperture ring is not set to 
minimum aperture.

(blinks)

Set ring to minimum aperture 
(largest f/-number).

27

Low battery.

Ready a fully-charged spare 
bat tery.

27

Battery exhausted.

(blinks) (blinks)

Replace battery.

123

No lens attached, or non-
CPU lens attached without 
specifying maximum aperture.  
Aperture shown in stops from 
maximum aperture.

Aperture value will be dis-
played if maximum aperture 
is specifi ed.

81

Camera unable to focus using 
autofocus.

 

(blinks)

Focus manually.

50

237

86
88

Subject too bright; photo will 
be overexposed.

• Choose a lower sensitivity 

(ISO equivalency)

• Use optional ND fi lter
• In ex po sure mode:

S   Increase shutter speed
A  Choose a smaller ap er ture 

(larg er f/-number)

50

104

86
88

Subject too dark; photo will be 
underexposed.

• Choose a higher sensitivity 

(ISO equivalency)

• Use optional Speedlight
• In ex po sure mode:

S   Lower shutter speed
A  Choose a larger ap er ture 

(smaller f/-number)

27

Battery can not be used.

(blinks) (blinks)

Contact Nikon-authorized ser-
vice representative.