Cactus V5 User Manual - page 17

17

1.FlashMisfire(UnexpectedFlashFiring)

LED BLINkS? POSSIBLE CAUSE

SOLUTION

TX: No

RX: No

Poor hot shoe 

connection

- Adjust tightness of hot 

shoe contact 

- Remove hot shoe metal 

plate

- Clean hot shoe contact 

ofV5andflashwithclean

cloth

TX: No 

RX: Yes 

(GREEN)

1. Background 

radio  

interference

- Set both transceivers to 

another channel 

- Change setup location as  

interference may come 

from other equipment in 

the surrounding area

2. TX and RX 

transceivers 

are placed 

too close to 

each other

- Place the TX and RX 

transceivers at least 

one meter apart and 

retry

2. Slow Synchronization (Delayed Flash)

LED BLINkS? POSSIBLE CAUSE

SOLUTION

TX: Yes 

(GREEN) 

RX: Yes 

(GREEN)

1. Shutter 

speed is 

faster than 

the camera’s 

x-sync  

limitation

- Adjust the camera’s  

shutter speed to the 

maximum supported x-sync 

speed

2. Radio  

interference 

with wireless 

shutter 

release

-Ensureflashtrigger

transceivers are set to 

a different channel from 

that used by wireless 

shutter release  

transceivers

TX or RX: 

Yes (RED 

every 3 

secs)

Insufficient

battery power

- Replace batteries and 

retry