Reset sensor on SHOTGUN 3 and 4 version.
Error alert sound
When the machine sound the alarm it is due to the sensor contact is lost
Solution
Shut down the ball machine.
Manually pull the feeding arm to its position pointing up wards (now the sensor is reset)
Start the machine and try again.
Still not working
There is a ball inside of the machine that has changed the sensor position out of its location. Contact info@gamecam.se
Battery has to less power, re-charge it and try it again. or contact info@gamecam.se