Question about Scotsman Cooled Modular Contour Cuber Air Condensed 975lbs

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Scotsman CME456as-1a Red bulb for refrigeration comes on. When cycling manually, water enters the area where is should be made. Nothing is cold. Fan blades turn free by hand, but do not run during the manual cycle. Help please!!

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Make sure correct power at plug and unplug or turn of breaker and turn back on

Posted on Apr 07, 2014


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: loud vibrating noise

may be screw left out

Posted on Apr 02, 2009

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SOURCE: I have a new DCE33 scotsman ice machine. No spray small flow

Could be in need of cleaning with some nickleguard ice machine cleaner. Or maybe a restriction in the pump? How about a scotsman repair manual?

I have both. Hope this one is it

Posted on Nov 05, 2009

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SOURCE: scotsman mv 450 ice machine harvest cycle is

hi i have mv 1000 scotsman my problim is very early in harvest if i pull ice sensor connector in the mudule the unit is making ice after 20 min i put again the ice sensor in the module so that i can harvest the ice.
somebody could help me this problim?

Questions my ice sensor basted?
2.there is wrong with my module?
3.can i adjust in the trimer?

Posted on Aug 18, 2011

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I have a Scotsman SCE170a-1a undercounter ice maker it only freezes in the center of the evaporator. Compressor , fan and water pump all work. I suspect the hot gas bypass valve.

no if the valve was open or part open the plate would be warm or hot to the touch and no ice would form, more likely low refrigerant charge or restriction of gas flow and also make sure condenser is very clean.

Oct 04, 2015 | Kitchen Appliances - Others

1 Answer

Red bulb for refrigeration comes on. When cycling manually, water enters the area where is should be made. Nothing is cold. Fan blades turn free by hand, but do not run during the manual cycle. Help...

Has the CM3 controller been changed out? If so and it is the Universal service controller look on back to make sure the model- program selection switch on the side has been set to correct number.if so then unplug unit then plug back in push freeze tab let run and check all the refrigeration components. we know it is not a water problem or the water light would be lite up. If when you push freeze tab and nothing comes on and the water sump tray is full of water then replace Service controller.

Oct 11, 2013 | Scotsman Cooled Modular Contour Cuber Air...

1 Answer

Ice machince is going max freeze cycle shut down

1. Possible cause. Water leak. Check purge valve, water curtain, sump, sump hose.
2. Air filters clogged. Clean air filters.
3. Dirty condenser. Clean condenser.
4. Restricted location, intake air to hot. Have machine moved.
5. Ice thickness sensor dirty or disconnected. Check ice thickness sensor probe.
6. Water distributor dirty. Remove and clean water distributor.
7. Inlet water valve leaks through during freeze cycle. Check water inlet valve.
8. Connected to hot water. Check for bleed through from missing check valve in building water supply.
9. Incomplete harvest. Check harvest system.
10.High pressure cut out opened. Check fan motor pressure control, check fan motor, check controller using test mode.
11. Fan motor pressure control open. Check fan pressure control.
12. Fan motor not turning. Check fan motor, check fan blade,check controller using test mode.
13.Water pump not pumping. Check pump motor,check controller using test mode.
14. Pump hose disconnected. Check hose.
15. Compressor not operating. check compressor contactor, check controller using test mode.
Check compressor start components, check PTCR resistance and temperature, check compressor voltage, check compressor windings.
16. Low refrigerant charge. Add some refrigerant and restart unit. If cycle time imporves, look for a leak.
17. Hot gas valve leaks through during freeze. Check hot gas valve for hot outlet during freeze.
18. Thermostatic expansion valve bulb loose. Check bulb.
19. Thermostatic expansion valve producing very low or high superheat. Check evaporator superheat, Change TXV if incorrect.
20. Compressor inefficent. Check compressor amp draw, if low and all else is correcy, change compressor.

Sep 28, 2013 | Scotsman Ice Maker CM3 30inW Cubed Ice...

1 Answer


clean the ice sensor on either side of the ice platen and just past the water trough. gently pry the sensor on each side out of their plug and work wiring out until you can get to the two led lights and clean scale off. limestone scale builds up and blocks the sensors.

Dec 27, 2012 | Scotsman Ice Maker 600LB CM3 30inW...

1 Answer

Scotsman cme456as-1a

Pull and clean water level switch. Check to see if water solenoid is getting power to it if so check to make sure you are getting water through it. FIRST check water filter make sure its not stopped up. if that is clear check make sure water line is not kinked. If your unit is not getting water then the unit will run high pressure and lock out on refrigeration.

Jun 14, 2012 | Scotsman Cooled Modular Contour Cuber Air...

1 Answer

Scotsman cme456as-1a

Google CME456as-1a service manual you can find PDF to down load.

Jun 14, 2012 | Scotsman Cooled Modular Contour Cuber Air...

1 Answer

How do i check for low discharge temperature or maximum length freeze cycle on a scotsman cm3 model#hd30b-1a

First check to see if the bulb of the TEV is secured and insulated well where it can sense the temps and open the valve correctly.
The tech manual
locale of discharge thermister
Page 20 tells how to check

Let me know Kimosabe what yall come up with


Apr 16, 2011 | Scotsman Ice Maker CM3 30inW Cubed Ice...

1 Answer

My Scotsman machine cme256 take to much time in the cycle to make ice

Problem too long ice production CHECK THE FOLLOWING: check the refrigerant charge check the hot gas solinoid valve compression test the compressor check the ambient and water temp. check the condenser fan motor and condenser coil check the txv and sensing bulb if in proper location

Sep 13, 2010 | Scotsman Cooled Modular Contour Cuber Air...

2 Answers

Scotsman ice machine is not making ice. There is

The manual has an exploded parts diagram use as guide to locate parts.
First check the timer, you can manually turn it through a cycle or watch it rotate on its own.
Check the water inlet solenoid valve. if all looks well and you have definite water flow past the valve, then
Check spray pump. You have to remove the rear panel. The pump has a fan on the top. spin the fan if it is at all tight the ;pump is bad.
I have owned 2 of these units and have had failures of all of the above parts over the years.

Oct 21, 2009 | Scotsman DCE33PA1BC 15in Built-in...

1 Answer


Mar 30, 2009 | Scotsman MDT4F12A1A

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