Scotsman CU0515, Installation And User Manual

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Service Diagnosis
SYMPTOM POSSIBLE CAUSE SUGGESTED CORRECTION
Unit will not run Blown fuse Replace fuse & check for cause of blown fuse.
Main switch in OFF position Turn switch to ON position
Bin thermostat set improperly Adjust rotating its setting screw
Loose electrical connections Check wiring
Red Alarm light ON Too Hi Condensing
Temperature Reset the machine (Push & hold the Reset
Button for 5 seconds) and check for reason why
Red Alarm light Blinking
Twice Condenser sensor out of order Replace it and repeat
Cubes too small Cube size control set improperly Check and adjust for proper operation.
Capillary tube partially restricted Recover charge, add new gas & drier, after
evacuating system with vacuum pump.
Shortage of water See remedies for shortage of water.
Cloudy cubes Shortage of water See remedies for shortage of water.
Dirty water supply Use water softener or water filter.
Accumulated impurities Use SCOTSMAN Ice Machine scale remover.
Irregular cubes size & some
cloudy Some jets plugged Remove jet cover and clean.
Shortage of water See shortage of water.
Unit not leveled Level as required.
Poor pumping Check and/or replace the water pump.
Cubes too large Cube size control set improperly Check and adjust for proper operation.
Decreased ice capacity Inefficient compressor Replace.
Leaky water valve Repair or replace.
Non-condensable gas in system Purge the system.
Poor air circulation or excessive
hot location Relocate the unit or provide for more ventilation.
Overcharge of refrigerant Correct the charge.
Capillary tube partially restricted Recover charge, add new gas & drier, after
evacuating system with vacuum pump.
Undercharge of refrigerant Charge to data plate indication.
Discharge head pressure too
high See incorrect discharge pressure.
Clogged air filter Clean or replace.
Shortage of water. Water spilling out through
curtain Check or replace curtain.
Water solenoid valve not
opening Replace valve.
Water leak in sump area Locate and repair.
Water flow control plugged Remove and clean.
CU0515
April 2007
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