It's the initial user interaction. Users usually expect appliances to be powered on and be running right the way. If it takes 30 seconds to start, the user is

It's the initial user interaction. Users usually expect appliances to be powered on and be running right the way. If it takes 30 seconds to start, the user is not sure whether it's not working or it's just initializing. These things don't have great visual feedback to start with.