Troubleshooting - Nissin i40 Instruction Manual

Guide Number table
Guide No. at manual exposure mode (ISO 100 in meters)
Zooming
Position
Full
24mm
22
28mm
25
35mm
27
50mm 32
70mm
36
85mm
38
105mm
40
Trouble Shooting
The flash unit does not start charging.
Batteries are not correctly installed
Install batteries to correct direction.
>>>
Batteries are exhausted
Replace the batteries if the recycle time is beyond 30 seconds.
>>>
The flash unit does not fire.
The flash unit is not firmly clipped on the camera
Mount the flash unit firmly on the camera's hot shoe.
>>>
The flash unit is automatically powered off
Turn on the switch again.
>>>
The flash picture is overexposed or underexposed.
The unit is set for manual exposure mode
Set to TTL mode or other power level.
>>>
Flash Power Level
1/2 1/4 1/8
16 11 8
18 13 9
19 14 10
23 16 11
25 18 13
27 19 13
28 20 14
1/16 1/32 1/64
6 4 3
6 4 3
7 5 3
8 6 4
9 6 5
10 7 5
10 7 5
1/128 1/256
2 1
2 2
2 2
3 2
3 2
3 2
4 2
20