Nikon SB-28 instruction manual Troubleshooting

Troubleshooting

Camera	Warning indicator	Cause	Ref.
Group			page
All	No J indicator	• Batteries are not correctly	12
camera	appears.	installed.
groups		• Battery power is weak.	16
		• Standby function is set and operating.	15
	Ready-light blinks	Flash fired at full output but light	16
	for approx. 3 sec.	may have been insufficient.
	after shooting.
	Power turns off.	Batteries are exhausted.	—
	No indicator bars	SB-28’s flash head is tilted or	13
	_ appear.	rotated from the horizontal/front
		position.
	Indicator bars _	Flash head is tilted down -7°.	13
	blink.
	Zoom-head position	The ' and [ buttons are	21
	indicator blinks.	pressed simultaneously for approx. 4 sec.
	Small M above	Zoom-head position is locked.	20
	ZOOM blinks.
Group I	No tØ indicators	• A Nikkor lens other than one	26
	light up.	having built-in CPU is mounted.
		• Flash mode is set to t.	26
		• F5’s or F100's Metering System is	26
		set to Spot Metering
	Ready-light and ÷ blink	Light was insufficient for correct	28
	after picture is taken.	exposure.
	Q % indicators	Built-in wide flash adapter is used in	51
	and small M above	FP High-Speed Flash sync.
	the ZOOM as well as18
	or 20 blink.
	% blinks.	SB-28 is removed with % setting.	51
Group II	No t ø indicators	• A Nikkor lens without a built-in	31
	light up.	CPU is mounted.
		• Flash mode is set to t.	31
		• F4’s Metering System is not set to	31
		Spot Metering.

NOTE

The SB-28 incorporates a microcomputer to control flash operations.

In rare cases, the SB-28 may not work properly even after fresh batteries are properly installed. If this happens, replace the batteries with the SB-28's power turned on.

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