Quality of water has alot to do with it as well as location of machine. A machine in the back room will not grow mold as fast as one in the prep area. Minimum is 2x a year and more often than not on service calls
Local 597 Service Fitter
Metal Trade Journeyman
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It was working when I left...
Liberalism-Ideas so good they mandate them
depends on your water and air quality. Get one that's easy to clean, which rules out two major brands right away, if you have a choice. Avid Scotsman prodigys like the plague, and I would also avoid Hoshizaki. Ice-O-Matic is cheap, but its lack of computerized controls means that it lacks all but the most rudimentary operational safeties. Manitowoc Indigos are at the other extreme, tending to lock out if you look at them funny.
Had a call for a Scotsman machine in the back room of a restaurant. It was filthy! Asked the woman in charge when the last cleaning was performed. Her answer was every couple of months they cleaned it. Startup date was 1997. Asked her who didi the cleaning, and she said she did it. When I asked her how she cleaned she said she turned the control board from freeze to clean and let it run for a half hour, then turned it back to freeze. Hmmm.
One way to outthink people is to make them think you think. They'll think you're not really thinking what you're trying to get them to think you think...........