These units come complete with the same great type of warranty back up that Manitowoc has always offered. 5 Years parts and Labour on the evaporator / 3 years parts and labour on the compressor and 3 years parts and labour on the rest of the machine.
It just might be time to look at your ice machine and at the very least do a timely clean and de-scale before summer. Dirty ice is capable of causing great sickness and even death to un-suspecting patrons. Manitowoc machines (Including Koolaire) have the capacity to run a clean cycle. The instructions are located on the inside of the main front panel and require the following 2 chemicals, which can be purchased in small quantities.
Check out this video on how easy it is to clean your ice machine: