424nError MessagesThis section lists the indicators and error messages that appear inthe viewfinder, top control panel, and monitor.IndicatorProblem Solution 0ControlpanelView-finderB(flashes)Lens aperture ring isnot set to minimumaperture.Set ring to minimumaperture (highestf-number).29H d Low battery. Ready a fully-chargedspare battery. 40H(flashes)d(flashes)• Battery exhausted. • Recharge or replacebattery.xix, 23,25, 391• Battery can not beused.• Contact Nikon-authorized servicerepresentative.• An extremelyexhaustedrechargeable Li-ionbattery or a third-party battery isinserted in thecamera.• Replace the battery,or recharge thebattery if therechargeable Li-ionbattery is exhausted.• High batterytemperature.• Remove battery andwait for it to cool.—B(flashes) — Camera clock is not set. Set camera clock. 31