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Why is electro freeze compressor frosting up
Why is Compressor frosting up and will not dispense productÂ
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13 Replies
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Has it always done it? Frost on a compressor and pipes is not always a bad thing. Just tells you its below freezing and its humid.
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It can also mean your getting liquid refrigerant back to the compressor which is a very bad thing.
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Has the refrigeration system been recharged recently? Might be an overcharge
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What model do you have. Check your belt drive system for the agitator and the micro switch. If a bottom pump system you may not be getting any product into the cylinders.
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 It is calling for cooling, but may not be getting product into the cylinders. Or the belts may be broke and not agitating so it still look’s for cooling.They cycle on load sensing.
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I’m not sure. Â Customer received it from one of their other stores and it started doing this. Â I recovered some freon from it to see if it was overcharged but it was still icing over. Â It won’t dispense any product either because ice cream is too frozen.
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It is Model SL500. Â It has a top hopper. Â Product is frozen stiff. Â The only way to get product is to put it into defrost/night mode.
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Is the “evaporator” coil freezing? It should have a weigh in weight no?
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Can you recover and weigh in?
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Ok, the freeze cycle sensing is not telling it to stop. Most machines use a spring loaded idler on the drive and a micro switch to determine the hardness of the custard.
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no reason to go into the system yet. It’s a control problem
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You should also check the feed system and over run settings. as well as product temp.  If there is not enough air in the mix it will set up solid and not flow. Possibly the cleaning and reassemble of the machine might not have been correct for air introduction.
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This machine has Johnson controls for each barrel. Â Im just not sure what the factory setting numbers are supposed to be. Â I have a feeling someone has changed some of the factory settings which may be causing the problem. Â
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