AE Fixer

function fix()
  turtle.select(2)
  turtle.dig()
  turtle.place()
  turtle.select(1)
end

function checkFail()
  if turtle.suckDown() then
    turtle.dropUp()
    return false
  else
    print('Fixing...')
    return true
  end
end

turtle.select(1)
while true do
  sleep(20)
  if checkFail() then
    fix()
  end
end