Hi I have two god mods reasons why is I got one all lookin ok but after setting up when I fire it only on the first hit there is a say 2 second buzz next hit onwards nothing I put it down go back the same,so I told smy and they were good about it and sent me another great ok I thought one may have a problem on getting the second one it was the same the mods work fine I have correct batteries purple efeast new only for my god mod I've tried other tanks all range of ohms so any ideas anyone?