Fruit Machine Chat

hi all i have the red gaming lock n load its displaying code "opt 100p alm01" iv checked the hopper and it all looks clear when i turn the machine on it spins and starts loading then says "stuck but err 43" then goes onto the "opt100p alm 01" any ideas are all gratefully recieved and a big THANKS upfront fron me cheers russ

Stuck but err 4.3 is just one of the buttons being pressed down during it turning on.
The 100p opto alarm I think is more coin mech related. Give it a shake and see if anything's trapped in there, and give it a quick clean