SERVICE DIAGNOSIS
SYMPTOM POSSIBLE CAUSE SUGGESTED CORRECTION
Unit will not run Main switch in OFF position Turn switch to ON position
Safety device intervention Eliminate the stop motivation and
(thermostat - pressure switch) push the reset button or replace.
Loose electrical connections Check wiring
Inoperative bin thermostat Replace thermostat
Compressor cycles Low voltage Check circuit for overloading
intermittently Check voltage at the supply to
the building. If low, contact the
power company
Contactor with burnt contacts Clean or replace
Non-condensable gas in system
Purge the system
Compressor starting device Check for loose wires in starting
with loose wires device
To high room temperature Move the unit in a more
suitable place
Cubes too small Freezing cycle too short Review setting of DIP SWITCH
keys
Capillary tube partially restricted
Blow 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
Inoperative evaporator thermostst
Replace thermostst
Cloudy cubes Shortage of water
See remedies for shortage of water
Dirty water supply Use water softner or water filter
Accumulated impurities cleaner Use SCOTSMAN Ice Machine
Water pump loosing disch. pressure
Check bearings. 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
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