Trying to find out what went wrong. Ive been running it for about 2 weeks on coal. Everything was fine until this weekend when I'd shake it down i wasn't getting much ash and it looked like the coals were middle to top of bed. Yesterday it went out and i had to restart it. It looks like it got a ash clog. Theres not much info on running this thing. Ive been using a soot saw to shake it since theres no grates to. Am I missing something here?