Depends on what level of technical skills you may have. The vending machines are not hard to change out components if you have a basic understanding of how things work. A good technician can surely walk you thru a component change and most items are plug and go devices. Like any items a vending machine is made up of components that work together to do a function and these components are independent of each other so if one goes bad it can be isolated and changed out fairly easy. The vending machine manufactures are working to make the vending machines of today as easy to swap out components as to make the machine more efficient. We are here to help and are confident we can help you thru any small or major problems.