Ice Machine Scotsman:Low Ice Production - HVAC - DIY Chatroom Home Improvement Forum

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Old 05-31-2012, 09:15 AM   #1
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Ice Machine Scotsman:Low ice production

i have an ice machine. the owner says it worked fine this winter but as the heat came on the ice production dropped in 1/2. Can you help me. model: CME500AE-1A. Thanks guys.


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Old 05-31-2012, 12:53 PM   #2
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you need to check the operating pressures.... could be lots of things...


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Old 05-31-2012, 01:21 PM   #3
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check the condenser wash it down maybe flush the bin and up into the harvest area....if the temps are effecting it the condenser is the first item to check....
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newtech (05-31-2012)
Old 05-31-2012, 01:29 PM   #4
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You may have a simple problem (or not). Air and water flow is everything to these machines. Most have an air inlet (or two, usually on the sides of the mechanical cabinet) and outlet in the back through the coil. There are usually filters inside the cabinet in the inlet vents. Remove the top and check/clean them. If no filters, are the fins of the condenser filled with dirt? Is the condenser fan blowing good air through the condenser coil? Are there covers loose or missing. How hot is it in the room, you may need to get fresh air for the inlets or move equipment to relieve heat buildup around the machine. Is there a water line filter, when was it last changed, is the water inlet valve screen clean (if the reservoir can't fill properly it will slow the cycle). If all is good with airflow and filtering are the freezing plates corroded or there could be a problem with the harvest timer or bin thermostat. There is probably a downloadable/printable manual online at their website! Good luck, hope it's something simple!
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Old 05-31-2012, 03:20 PM   #5
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As superrick stated, check all what he posted....

Here is a pdf for ya to look at

DO NOT check any pressures of the system at this time. ( keep it sealed )

Do all of the cleaning and maint. first. Then if you have to check the pressures, make sure that you have some refrigerant on hand as you will have lost some after you check the pressures.

Good Luck

Last edited by newtech; 05-31-2012 at 03:35 PM.
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