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