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Scotsman Ice machine Goes through freeze mode in about 20 minutes than it goes through harvest mode in about 3 minutes after that it runs for about 5 minutes shuts down and the refregerant light comes on CME256

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Scotsman CM250AE Ice Machine tech help

Check the bridge size adjustment at the top of the metal grid that the ice forms on. This determines the size of the cubes. Whenever you make a repair on the water system, especially on an older unit. make sure the unit is clean. A little bit of calcium deposits (or that other nasty looking stuff) getting into the passage ways will make it run erratically, and can drive you nuts.

Posted on Nov 07, 2007

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TheMobilian
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SOURCE: scotsman 500 cm3 ice machine

Remove all molex connections and check for corrosion. Clean the connections and retry.

Posted on Mar 01, 2009

Sea Breeze
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SOURCE: Manitowoc ice machine that will not produce ice

This is odd that Manitowoc is listed on a page showing a Whirlpool refrigerator model and number. What is the model number listed on your Manitowoc? Not the base model number. The number listed inside the top section. Manitowoc has a really good service reputation. Their control boards have a series of self diagnostics. Get me your model and we will go from there. Sea Breeze

Posted on Jun 11, 2009

  • 202 Answers

SOURCE: ice sheets too thick to shatter when dropped

timer not working properly replace if necessary

Posted on Jul 24, 2009

  • 33 Answers

SOURCE: Scotsman Ice Maker CME 256

descale bin level sensors, check for corrsion on wire harness. if does nt work. replace . bin level sensors

Posted on Aug 26, 2009

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1 Answer

WHY scotsman iec machine shuts down on the refridgeration light ON CM3 CONT


Is the machine producing ice thick enough to come off the evaporator plate? the machine will try to harvest 3 times before it locks out on long harvest. Harvest cycle: The compressor and hot gas valve are both powered during the harvest cycle. The fan and pump are off at this time. The machine stays in the harvest cycle until the evaporator thermistor senses 52 DEG F. If the bin is not full, the unit goes into another freeze cycle. I would check the Thermistor

May 28, 2014 | Scotsman CSW45 15" Ice Maker with 26 lb....

1 Answer

Scotsman ice machine manual


Ice sensor may need to be adjusted or distribution tube needs to be cleaned

Apr 26, 2014 | Kitchen Appliances - Others

1 Answer

Scotsman cme256 as-1d sticks in harvest cycle


The only thing that tells the machine that a harvest cycle has completed and takes it back into a freeze mode is the ice level control. when the machine go's into a harvest the ice drops through the ice level control and brakes the beam and switches the machine back to freeze cycle. Pull the the ice level controls and replace them. if there is nothing wrong with them than it is the electronic controller. part number for ice level controllers are 11-0540-21. The part number for the control board is 12-2838-24

Dec 07, 2013 | Scotsman Kitchen Appliances - Others

1 Answer

Ice machine harvest two times and shut off


These unit time freeze time and harvest times and keeps track of them. If your freeze time exceeds 35 minutes or harvest time exceeds 3 minutes, it will place unit in lockout. The biggest cause for excessive time to harvest is the harvest valve not functioning properly, and undercharged unit or a dirty condenser. The most probable cause is a dirty condenser. Under charged units can be determined by checking compressor outlet temperature while running, it should be 150 to 190 degrees depending on atmospheric conditions present. If it is harvest valve, the downstream temperature will stay at or near compressor discharge temperature. It should cool down to ambient temperature in a few minutes after freeze cycle begins.

Nov 25, 2013 | Scotsman Ice Maker 600LB CM3 30inW...

1 Answer

Low ice output


Low ice production has multiple causes. First check condensing coil to see if they are dirty and not passing air. This is the most probable cause for low ice production. Next, measure freeze cycle time and harvest time. Freeze time is typically 20 to 30 minutes and harvest time is normally 1.5 to 3 minutes. If freeze time is long (> 35 minutes), first check water valve shuts after reservoir is full. If it does not shut off the water solenoid operated valve needs replaced. Second, find the harvest solenoid operated valve which branches off the compressor discharge and port high temperature gas into evaporator during harvest and see that evaporator side of harvest valve cools down to surrounding temperature in a few minutes 8 - 10 after freeze cycle starts and harvest time stops. If it does not cool off the valve is leaking by its seat and will require a technician to replace. Lastly, if long freeze cycle could be due to low refrigerant and will require and tech to charge properly. Ice machine are critically charged and a tech will know how to charge the right amount. Again, it is possible the metering device is not passing enough refrigerant and a technician can determine this by checking the superheat and subcool. Low subcooling <3 and a high superheat >20 typically indicate an txv (metering devise) needs replaced and will require a tech to replace.

Oct 13, 2013 | Scotsman Ice Machine - 290lb...

1 Answer

Scotsman ice maker cme 506 makes ice and turns off and blinks refrigeration


First check to make sure condenser fan is running during freeze cycle. Now check to make sure condenser coil is clean. Her is all the specks on the machine.
1. Ice production ( 500 at 70/50
2. BTUs per hour ( 7000)
3. Maximum times in Minutes. ( 50 freeze, 14 harvest.
4. Refrigerant charge ( R-404A ) ( A-D series: AC 32oz, WC 20 oz. E series AC 23 oz, WC 14 oz, F series AC 23 oz, WC 13 oz
5. Suction pressure ( PSIG ) 35-37 - end of freeze, 120-125-Peak in harvest.
6. Discharge pressure ( PSIG ) 240-260- 5 min in freeze.
165-175- minimum in harvest.
7. Metering device.( TXV plus distributor, E series and higher have two TXVs. superheat 3 to 15 deg F.
8. Average comp.amps. 10-11 during freeze, 11-12 during harvest.
9. Batch Weight. 6.5-7 lb
10. cycle time, 23 minutes @ 90/70. 19 minutes @ 70/50

Feb 24, 2013 | Scotsman Ice Maker CM3 30inW Cubed Ice...

1 Answer

My scotman model sce170a1a.goes into harvest to


That has to be a faulty control wouldn't you think?
The cube size control should only be adjusted to
bring the cubes to the correct shape, the overall
size cannot be adjusted. Try to adjust the cube
size control when the ice machine is in the harvest
cycle, or in the first 10 minutes of the freeze cycle.
1. Open the door and remove the control box
cover.
2. Locate the cube size adjustment screw, and to
make fuller cubes, turn the screw clockwise about
1/4 turn. This will make the freezing cycle longer.
3. To shorten the freezing cycle and make cubes
that are not as full, turn the adjustment screw 1/4
turn counterclockwise.
4. After the next freezing cycle, the cubes should
have responded to the adjustment, if another
adjustment is required, do it early in the freeze
cycle.

Feb 04, 2010 | Scotsman Ice Maker CM3 30inW Cubed Ice...

2 Answers

Scotsman dc33pa ice maker


Make sure the curtain is not torn and there are no leaks from the resivoir. If ok check to make sure you have enough water pressure to the machine. Make sure you have enough water passing through the valve during harvest cycle. To check... turn the timer cam to harvest cycle. Water should come in quickly behind the curtain on the right side and the timer should advance three minutes to freeze portion of cycle and stop running. Water should spray and form ice for approximately 25min. Then the timer advances for 5 minutes into harvest cycle and it refills with water again.

Nov 21, 2007 | Scotsman CSW45 15" Ice Maker with 26 lb....

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