Nikon D90 - Manual (Page 275)

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Error Messages
This section lists the indicators and error messages that appear in the viewfinder,
control panel, and monitor.
Indicator
Problem Solution Page Control panel Viewfinder
B
(blinks)
Lens aperture ring is not set to
minimum aperture. Set ring to minimum aperture
(largest f-number).
26
H d Low battery.
Ready a fully-charged spare
battery.
34
H
(blinks)
d
(blinks)
• Battery exhausted. • Recharge or replace battery.
xviii,
22, 23
• Battery can not be used. • Use Nikon-approved battery,
or contact Nikon-authorized
service representative.
• An extremely exhausted
rechargeable Li-ion battery
or a third-party battery is
inserted either in the camera
or in the optional MB-D80
battery pack.
• Replace the battery, or
recharge the battery if the
rechargeable Li-ion battery
is exhausted.
B
(blinks)
— Camera clock is not set. Set camera clock. 27
F
(blinks)
• No lens attached. • Attach non-IX Nikkor lens.
230
• Non-CPU lens attached. • Select mode M.
—
J
(blinks)
Camera unable to focus using
autofocus.
Focus manually. 59
q
Subject too bright; photo will
be overexposed.
• Use a lower ISO sensitivity 74
• Use optional ND filter 240
• In exposure mode:
S Increase shutter speed 81
A Choose a smaller aperture
(larger f-number) 82
r
Subject too dark; photo will be
underexposed.
• Use a higher ISO sensitivity 74
• Use flash 70
• In exposure mode:
S Lower shutter speed 81
A Choose a larger aperture
(smaller f-number) 82
A
(blinks)
A selected in exposure
mode S. Change shutter speed or select
manual exposure mode.
81, 83
&
(blinks)
& selected in exposure
mode S. Change shutter speed or select
manual exposure mode.
81, 83
(blinks)
N
(blinks)
Optional flash unit that does
not support i-TTL flash control
attached and set to TTL.
Change flash mode setting on
optional flash unit.
236