Hussmann Commercial Freezer DCCG-12 "ballast florescent light" Questions

Hussman DCCG Freezer I have changed the light bulbs and they will not work properly now. How can I fix the proublem? are they the florescent tube type?? i suspect that the ballast went bad

...starter/ballast in countertop freezer? Florescent bulb not lighting only whiteline technician can do the repair Yes, probably you'll need special help for that, or simply take off your ...