Nikon D90 D90 User's Manual - Page 275

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 (blinks) Lens aperture ring is not set to Set ring to minimum aperture minimum aperture. (largest f-number). 26 H d Low battery. Ready a fully-charged spare battery. 34 • 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 (blinks) - Camera clock is not set. Set camera clock. 27 F (blinks) • No lens attached. • Non-CPU lens attached. • Attach non-IX Nikkor lens. • Select mode M. 230 - J (blinks) Camera unable to focus using autofocus. Focus manually. 59 • 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 (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 n 255