Univex SB-900 user manual Warning indicators, Cause, Solution, page

Warning indicators

Warning indicator	Cause	Solution	Ref.
			page
	All operations have stopped	Replace the batteries.	kC-27
“Battery Power Weak”
	due to low battery power.
indicator appears.
Warning beeps sound and
warning icon appears when
the camera’s shutter release	The SB-900’s temperature	Wait until the SB-900 cools	kF-6
button is pressed.	rises and the SB-900 may be
	damaged.	down naturally.
	All operations have stopped
	because the SB-900’s	Wait until the SB-900 cools	kF-6
	temperature has risen
		down naturally.
“Thermal Cut-out” indicator	and the SB-900 may be
appears.	damaged.
	All functions other than the	Turn off the power, remove
	power switch are inoperable	the batteries, and contact	—
“Safety circuit activation”	because of power	your retailer or Nikon
indicator appears.	abnormalities.	representative.
			kD-4
The ready-light blinks	Underexposure may have	Use a wider aperture or	kD-7
	occurred even with the flash	move closer to the subject	kD-10
after firing.
	firing at maximum output.	and reshoot.	kD-13
			kD-42
Warning beeps sound for		Use a wider aperture,
	Underexposure may have	move closer to the subject	kD-42
approx. three seconds in the	occurred even with the flash	or change the position
remote flash unit.	firing at maximum output.	of the remote flash unit
		and reshoot.
	The attached color filter has	Confirm whether the color	kD-34
“Filter detection failure”	not been detected.	filter is correctly attached.
indicator appears.
	The lens aperture is beyond	Reset the aperture.	—
	flash distance range.
	The lens aperture is not set	Set the aperture	—
	at minimum.	to minimum.
	The camera is turned off.	Turn the camera on.	—

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Tips on Speedlight care and reference information

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