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
Compressor cycles
intermittently
Low voltage
Check circuit for overloading
Check voltage at the supply to the building. If
low, contact the power company
Non-condensable gas in system
Purge the system
Dirty condenser
Clean with vacuum cleaner, air or stiff brush.
(DO NOT use wire brush).
Air circulation blocked
Allow sufficient air space all around unit.
Compressor starting device
loose wires
Check for loose wires in starting device.
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.
Moisture in the system
Same as above.
Shortage of water
See remedies for shortage of water.
Shortage of refrigerant
Check for leaks & recharge.
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.
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
July 2007
Page 12
