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Refrigeration light blinking,machine in off mode CME. 306As 1H

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What can I do to fix cem256 ice machine that the refigeration light blinks twice ?


http://hvac-talk.com/vbb/showthread.php?679751-Scotsman-CME256-Water-Diagnostic-Light-Problem

May 15, 2014 | Scotsman Ice Machine - 290lb...

1 Answer

Refrigeration code on scotsman ice machine model cme506as-32f.What could be the cause?


Unit is off& Refrigeration diagnostic light is on or blinking. Possible Cause,( Low discharge or long freeze cycle. Probable correction, if the Refrigeration light is glowing steadily there is a probable refrigeration problem.) 2. Possible cause. Harvest problem. Probable Correction. If refrigeration light blinks once and repeats, Look for a harvest Problem.**On Controllers 17-1 and higher, This also indicates that cubes were (sensed) by the bin controls. 3. Possible Cause. Hot gas valve failure, Probable Correction. Check hot gas valve operation. 4. Possible Cause, High Discharge Temp. Probable Correction, If the refrigeration diagnostic light blinks 3 times and then repeats, check for a reason for high discharge temperatures. 5. possible Cause, Harvest problem. Probable Correction, Controllers 17-1 and higher, if the light blinks 2 times and repeats, check for a harvest error- no cubes sensed. 6. Possible Cause, Unit dose not go into harvest - exceeds maximum freeze time. Probable Correction, Push and release off button. Push and release Freeze button. Check operation. next Push cube size float down and check operation. 7. Possible Cause, Exceeds maxi harvest time. Probable Correction, Check for cause of long harvest cycle. Try not to put any gauges on system until you have to. Every time you do you loose refrigerant out of the system.

May 02, 2014 | Kitchen Appliances - Others

2 Answers

Machine makes 3or4 dumps ans shuts down red light blinks refrigerant if I unplug and plug back it will produce 3-4 dumps and so on


After the machine shuts down pull the front cover and look at the controller. What cod is it showing? I would need this info before i can tell you what to look for.

Apr 06, 2014 | Scotsman Cooled Modular Contour Cuber Air...

2 Answers

Stops cycling intermittantly


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

Apr 04, 2014 | Scotsman Ice Maker CM3 30inW Cubed Ice...

1 Answer

Light blink twice


Which light is blinking the water or the refrigeration light this info will help

Dec 19, 2013 | Scotsman Ice Maker 600LB CM3 30inW...

2 Answers

My scotsman ice machine have a switch board that keep showing me red light on refrigeration and won't make any Ice.


Scotsman provides a lot of service manuals for their ice machines. It will really help if you could provide a model number so I can possibly find the correct manual and information that just may help you, Thanks Sea Breeze

Apr 04, 2013 | Kitchen Appliances - Others

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

Problem with Scottsman Ice machine. Not sure of model, but about a 600lb. Refrigeration light is on (steady glow, not flashing), not making ice. Air filters on either side have been replaced with new...


wave your hand infront of bin eyes if the bin full light doesnt blink the machine is not reading the ice fall during harvest and will cause it to kick out. basically it thinks its not making ice.

Sep 18, 2011 | Scotsman Ice Maker 600LB CM3 30inW...

1 Answer

It says harvest time maxed and no ice detected what tells machine to stop havest


Hi and welcome to FixYa, I am Kelly.

Download this manual and read page 19 carefully.

http://www.scotsman-ice.com/docs/uploaded/sct/manual/275m.pdf

I think you have a thermistor problem. But... there are several things that will cause the 8 minute max harvest time error. See the diagnostic lights chart on page 19.

Diagnostic Lights:

There are two RED diagnostic lights, one to indicate a water problem, and the other to indicate a refrigeration problem.

Both On all the time / Check for thermistor set unplugged or failed


Additionally see the troubleshooting chart on page 27 "Unit OFF for a harvest problem"


Also make sure to read page 15. The thermistor inputs are on connector #5 left side of the controller


Resets:

Note: The machine may be reset and restarted by

pushing and releasing the Off push button switch,

and then pushing and releasing the freeze push
button switch.

Lastly after a RESET read the initial start up procedures on page 12 right side with regards to the harvest cycle steps 1 - 8.

Thanks for choosing FixYa,
Kelly


Mar 10, 2011 | Scotsman Ice Machine - 290lb...

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