Nikon D90 user manual Error Messages, 255, Indicator

Error Messages

This section lists the indicators and error messages that appear in the viewfinder, control panel, and monitor.

Indicator
Control panel	Viewfinder		Problem		Solution	Page
B		Lens aperture ring is not set to		Set ring to minimum aperture		26
(blinks)		minimum aperture.		(largest f-number).
H	d	Low battery.		Ready a fully-charged spare		34
				battery.
		•	Battery exhausted.	• Recharge or replace battery.
		• Battery can not be used.		• Use Nikon-approved battery,
					or contact Nikon-authorized
					service representative.
H	d	•	An extremely exhausted	• Replace the battery, or		xviii,
(blinks)	(blinks)		rechargeable Li-ion battery		recharge the battery if the	22, 23
			or a third-party battery is		rechargeable Li-ion battery
			inserted either in the camera		is exhausted.
			or in the optional MB-D80
			battery pack.
B	—	Camera clock is not set.		Set camera clock.		27
(blinks)
F		•	No lens attached.	• Attach non-IX Nikkor lens.		230
(blinks)		•	Non-CPU lens attached.	•	Select mode M.
—	J	Camera unable to focus using		Focus manually.		59
	(blinks)	autofocus.
				• Use a lower ISO sensitivity		74
				• Use optional ND filter		240
q		Subject too bright; photo will		•	In exposure mode:
		be overexposed.			S Increase shutter speed	81
					A Choose a smaller aperture	82
					(larger f-number)
				• Use a higher ISO sensitivity		74
				•	Use flash	70
r		Subject too dark; photo will be		•	In exposure mode:
		underexposed.			S Lower shutter speed	81
					A Choose a larger aperture	82
					(smaller f-number)
A		Aselected in exposure		Change shutter speed or select		81, 83
(blinks)		mode S.		manual exposure mode.
&		&selected in exposure		Change shutter speed or select		81, 83
(blinks)		mode S.		manual exposure mode.			n
	N	Optional flash unit that does		Change flash mode setting on
		not support i-TTL flash control				236
(blinks)	(blinks)	attached and set to TTL.		optional flash unit.
						255