Scotsman sce275a-1h The high school where I work owns a scotsman sce275a-1h ice maker. It is displaying the water diagnostic error with the bin full light on. There is no water or ice in the bin. I've tried running a clean cycle using CLR for about an hour with no improvement. I had it serviced about a month or so ago for a number of other issues (it was also cleaned) and I would rather not have to call them back in if I can fix this myself. Thanks for any advice

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

There can be a few reasons why your Scotsman SCE275A-1H ice machine is only making ice on the bottom half of the plate:

1. Water flow: Check the water flow to the machine. The water pressure should be between 20 and 120 psi. Make sure that the water supply is turned on and that there are no clogs in the water supply line or water filter.
2. Water distribution: Make sure that water is properly distributed across the entire plate. The water distribution system may be clogged or malfunctioning.
3. Evaporator: The evaporator is responsible for freezing the water. If the evaporator is dirty or coated with ice, it may not be functioning properly. Clean the evaporator and check for any signs of damage.
4. Refrigerant levels: low refrigerant levels can cause the evaporator to freeze over, which can affect ice production. Make sure the refrigerant level is adequate.
5. Airflow: Make sure that the airflow to the machine is not restricted. If the airflow is restricted, the ice machine may not be able to properly cool the refrigerant, which can affect ice production.

It's best to consult the user manual or to contact a professional technician to diagnose the problem, as the issue could be caused by a number of things and it's important to troubleshoot it correctly. The technician will be able to run a diagnostic test to determine the root cause of the problem and make the necessary repairs.

Replace the bin full eyes

carefully adjust the ice bridge thickness screw at the top no more than 1/8 of a turn counterclockwise in between freeze cycle until desired thickness is obtained. clockwise gets thicker and counterclockwise thinner.

There can be a few reasons why your Scotsman SCE275A-1H ice machine is not turning off when the bin is full:

1. Bin level sensor: The bin level sensor is responsible for detecting when the ice bin is full. Make sure that the sensor is properly connected to the control board and that it is not damaged. Also, check if the sensor has been replaced with the proper one for your model of icemaker.
2. Control board: The control board controls the operation of the ice maker, Make sure that the control board is properly connected to the power source and that it is not damaged. It's possible that the control board is malfunctioning, which can cause the ice maker to not turn off when the bin is full.
3. Wiring: Make sure that all the wiring connections between the different components of the machine are securely connected and not damaged.
4. Air filter: Ensure that the air filter is clean and not clogged, this can cause the machine to overheat and not turn off.
5. Control switch: The control switch may be faulty, preventing the machine from turning off. If this is the case, the switch will need to be repaired or replaced.

It's best to consult the user manual or to contact a professional technician to diagnose the problem, as the issue could be caused by a number of things and it's important to troubleshoot it correctly. The technician will be able to run a diagnostic test to determine the root cause of the problem and make the necessary repairs.

your ice level controls are either dirty or defective. You need to clean them

Download this manual. On pages 20&21 are cleaning instructions. Also install a water filter.

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

chech water inlet valve to make sure there is no trash blocking it. if it is cleare then i would check the water supply to the machine and make sure the supply line is not kinked.

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

I would try cleaning the unit, plus if there is a inline water filter I would replace it