that's a pallet machine. make sure you set the Pallet Select system to Off. Manually verify that the correct pallet is in the work area, choose the correct program to run. in memory mode cursor down until the arrow is one line below the tool change (M6 or G100) line you want to start at. turn down rapid override, press Cycle start not Pallet start button....
Yamazen has a Tech Center in Duluth, GA. Give Gene a call at 800-882-8558 ext. 1140 for local Brother support.