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Commercial freezer (Randall) with a Ranco thermostat, not cooling

I have a commercial freezer (Randall) with a Ranco thermostat. It won't get any colder than 25-30F. There are two adjustment knobs, but I don't know what to do. Please help!! Thank you.

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Clean condenser? is evaporator free of ice? may need defrosting or low on freon. Tom

Posted on Jul 01, 2009

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I have the same problem, i deice every week but it is either too cold or not cold at all. We have it hooked up to a bar, and the wines and beers are never cold enough.

Posted on Jan 03, 2010

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Posted on Jan 02, 2017

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