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Service Diagnosis
PROBLEM POSSIBLE CAUSE PROBABLE CORRECTION
Unusual noise Mineral scale in evaporator Clean water system with ice
machine cleaner.
Auger coupling dry Grease coupling
Auger coupling worn Replace coupling and adapter
stand.
Bearings worn Replace bearings and water seal.
Gearmotor loose on frame Tighten bolts, check grommets
Low water level Check water level in reservoir
Tubing vibrating Check tubing for contact
Tooth on a gear missing Check gears in auger drive
Compressor too loud Replace compressor
Gear noise Check gearmotor for oil leak
Water leaks from cabinet Evaporator water seal worn or
cracked
Replace seal and bearings
Tubing to evaporator leaks Replace tubing/fittings
Drain leaks Check drain tubes and fittings
External drain restricted Clean out drain
No refrigeration Gearmotor does not turn Check motor
Centrifugal switch does not close Check switch
Fan motor does not turn Check fan motor
Lack of refrigerant Add refrigerant, if problem is
reduced, locate leak and repair it.
Compressor does not pump Check/replace start capacitor
Check/replace start relay
Check/replace compressor
AFE325
August 1994
Page 17