jerrytug
N/A
They are a good source of amusement if not a controlled head source, there is a good service guide with photographs http://www.canalworld.net/forums/index.php?showtopic=51727[/
They are more "controlled" than an overpriced bit of Chinese plastic tat like a computer-controlled blown air heater though, which has an ECU which shuts down when there is a problem and needs reprogramming by a service agent.