20 Most Recent Scotsman Ice Maker CM3 30inW Cubed Ice Machine 900LB Questions & Answers


There are a couple of things to check. The machine must be level. You can remove the front cover and the plastic sheet that covers the plate where the ice is made. Check to see that the water is flowing from the manifold at the top of the plate. You may have to pop the hose off the end of that manifold to clean the water holes out. It must flow evenly over the plate. Probably the most common problem is the radiator coil there the fan draws air through is clogged up so that it can't dissapate heat properly. You should be able to feel a lot of hot air moving through the coils. The fan cycles on and off periodically to maintain a certain pressure in the freon. That is normal. Clean the fan coils and level the machine.

Scotsman Ice... | Answered on Jan 13, 2019


If it's not broke DON'T fix it. If it make's ice like it should let it go.

Scotsman Ice... | Answered on Oct 09, 2017


Bad bearings ?

Scotsman Ice... | Answered on Oct 09, 2017


Here video. Was long freeze error. found out that it was bad ice thickness probe. Hope this helps to someone

Scotsman Ice... | Answered on Dec 24, 2016


First i need the model number CM3 is a controller number and is it a blue or black controller. then i will be able to help you.

Scotsman Ice... | Answered on Sep 06, 2016


Clean or replace water level probe.

Scotsman Ice... | Answered on Mar 09, 2015


There should be a temperature sensor (thermostat) close to the top of where the ice comes out of. This determines the height of the ice in the bin by controlling a call for cooling/making ice. This thermostat may be sticking, or is not sensitive enough to read the drop in temperature of the depletion of ice.

Scotsman Ice... | Answered on Feb 28, 2015


Try taking off a side or back panel and see if there is frost building up. If frost is present, it could be low on refrigerant.
If there is condensation, it could be the insulation is saturated with water allowing thermal transfer to condense water out of the air.

Scotsman Ice... | Answered on Feb 06, 2015


Try Ice-o-Matic ... they are very similar to Scotsman machines

Scotsman Ice... | Answered on Jan 16, 2015


Check water filter or make sure water is on....sounds like slow water fill

Scotsman Ice... | Answered on Jan 14, 2015


CHECK HOT GAS VALVE TO SEE IF IT IS GETTING POWER OR IF THE VALVE OPENS AND CLOSES WITH A MAGNET

Scotsman Ice... | Answered on Dec 04, 2014


IT WAS LOCKED BY A TECH WHO FIXED IT AND DIDNT WANT THE UNTRAINED CUSTOMER TO MESS WITH IT (IN MOST CASES) HOLD ON FOR 3 SECS KEEP HOLDING AND PUSH OFF TWICE

Scotsman Ice... | Answered on Dec 04, 2014


Any advisory lights on, e.g. bin full? Clean all sensors and make sure dump valve isn't letting water gradually drain out

Scotsman Ice... | Answered on Dec 04, 2014


This machine has a cube size control. Which tells the machine when to go into a harvest. there is a harvest switch did you try to force it into a harvest and if you did, did it harvest. depending on ambient temperature from start of freeze cycle to harvest it should be making ice every 15 to 18 minuets and then go into a harvest. so start the ice machine and time it , run it for 18 minuets and force into a harvest. after ice drops check the ice bridge thickness. Bridge thickness should be about 3/16'' the ice dimple must not be DEEPER than 1/16". If this is good then we need to look at what is not working to harvest ice. The cube size control is a reverse - acting thermostat that controls the start of the timed freeze cycle. It must be set properly to prove the correct size cube bridge. When it is closed, an indicator light on the control board will be on. If you force it into a harvest and it harvest the ice with no problems and the ice is at the right thickness then replace the cube size control, but if dose not harvest the ice and you see the ice is at a good thickness and not to thick because if it is to thick it will freeze to every thing and will not drop. SYMPTOM. Unit freezes, but will not try to harvest. POSSIBLE CAUSE: Cube size control will not close; to check: Unplug water pump, switch unit OFF and then ON, in about 2 minutes the timed freeze light on the control board should be ON. PROBABLE FIX: If timed freeze light does not go ON, replace cube size control. SYMPTOM #2: Timed freeze light glows, but after 4 minutes unit dose not power hot gas nor purge valves Then replace control board.

Scotsman Ice... | Answered on Nov 20, 2014


Remove the ice thickness probe that is hanging at the top of the evaporator plate and clean really good put it back push the freeze tab. If the ice is still getting to thick and not causing the machine to go into a harvest then replace the probe , make sure when you do this to set the thickness by using a 1/8 inch drill bit, lay the bit flat between the evaporator plate and the probe turn the 1/4 screw in or out to achieve the 1/8 inch. The probe is what sets the machine into a harvest, if the ice is not building up enough to cause the water to come into contact whit the probe long enough then it will not go into a harvest. if the ice is getting to thick and the water should be running over the probe it should have went into a harvest if not then the probe is not sensing it to tell the CM3 to go into a harvest.

Scotsman Ice... | Answered on Nov 19, 2014

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