NSE654
January 2000
Page 20
SERVICE DIAGNOSIS:
Symptom
Possible Cause
Probable Correction
Water Leak
Drain plugged up
Clean out drain
Tubing cracked
Replace tubing
Condensation on drain tubing
Insulate tubing
Hose off
Reattach hose
Reservoir cover off
Return cover to reservoir
Reservoir cracked
Replace reservoir
Evaporator water seal leaks
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.
Excessive water use
Water cooled model, water regulating
valve not adjusted properly.
Adjust to 245 PSIG discharge
pressure
Reservoir float valve leaks thru
Replace float valve or seat
Water cooled model, overcharged
with refrigerant
Recover and weigh refrigerant. Weigh
in correct charge.
Water cooled model, condenser
coated with minerals
Acid clean water cooled condenser.
Excessive ice meltage
Bin drain clogged
Clean out bin drain.
Improper installation of drains, they
are connected.
Drains must be separate.
Poor fit between bin door and door
frame
Adjust or replace
Machine makes too much noise
Evaporator coated internally with
minerals
Clean with Scotsman Ice Machine
Cleaner
Motor bearings dry
Oil or replace motor
