20 Most Recent Manitowoc - QD-0212A/115-1 Questions & Answers

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Try cleaning the radiator for the ice box compressor it could be tripping it's thermal overload switch, if that doesn't work check to see if the termostat setting is in the range for the compressor to turn on when the ice starts melting.

Sounds like a sticking relay. Call for service. The control system is very complex.

When was the last time it was serviced? They need doing every year, clean coils, sanitize and descale. https://www.google.com/search?q=manitowoc+neo+ice+machine+not+harvesting

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Greetings, when this occurs, please add some salt to the idea in order to stop the ice from sticking together as much. That's the temporary fix. For any other machine, I would think this was an oil issue. That's the parts that create the ice stop-up due to friction caused by a lack of oil. I'm guessing that every time you clean the machine, you decrease the friction between its parts due to the water/soap that you use, but then the oily soap residue gets used up, and the issue returns. Please test out my idea. Thank you.

is it plugged into a new or older outlet,and is it plugged in by itself,with no other appliances effecting its power

Possible un defrost cycle

First, this us a very old system and probably needs to be replaced if it really is an R12 system. The unit is probably at least 40 years or more old since they stopped producing R12 about 1970's. If your manitowac ice machine is usable still, it probably has lost its charge and will need to be refilled with a suitable refrigerant. I actually still have a jug of R12, but I generally charge systems with the only substitute still available R420 if you can find someone who still sells it. I saw that both refrigerant were being phased out and purchased a couple of jugs and only have a little left. My suggestion if you want this ice machine in operation again take it to an ice machine repairman and have him repair it. Good luck.

High Pressure warning. Usually overheating of compressor. Check that ventilation is not blocked.