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SERVICE DIAGNOSIS
Symptom
Water Leak
Excessive water use
Excessive ice meltage
Machine makes too much noise Evaporator coated internally
Possible Cause
Drain plugged up
Tubing cracked
Condensation on drain tubing
Hose off
Reservoir cover off
Reservoir cracked
Evaporator water seal leaks
Water cooled model, water
regulating valve not adjusted
properly.
Reservoir float valve leaks thru Replace float valve or seat
Water cooled model,
overcharged with refrigerant
Water cooled model,
condenser coated with minerals
Bin drain clogged
Improper installation of drains,
they are connected.
Poor fit between bin door and
door frame
with minerals
Motor bearings dry
January 1995
Page 21
NME950 & FME1200
Probable Correction
Clean out drain
Replace tubing
Insulate tubing
Reattach hose
Return cover to reservoir
Replace reservoir
Check base of evaporator &
drip pan. If the seal leaks, shut
off the water, remove the
auger, replace the water seal.
Check gear motor for water
infiltration.
Adjust to 245 PSIG discharge
pressure
Recover and weigh refrigerant.
Weigh in correct charge.
Acid clean water cooled
condenser.
Clean out bin drain.
Drains must be separate.
Adjust or replace
Clean with Scotsman Ice
Machine Cleaner
Oil or replace motor
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