NME454, 654 & FME504, 804
SERVICE DIAGNOSIS
Symptom | Possible Cause | Probable Correction |
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Water Leak | Drain plugged up | Clean out drain |
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| Tubing cracked | Replace tubing |
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| Condensation on drain tubing | Insulate tubing |
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| Hose off | Reattach hose |
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| Reservoir cover off | Return cover to reservoir |
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| Reservoir cracked | Replace reservoir |
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| Evaporator water seal leaks | Check base of evaporator & drip pan. |
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| If the seal leaks, shut off the water, |
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| remove the auger, replace the water |
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| seal. Check gear motor for water |
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| infiltration. |
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Excessive water use | Water cooled model, water regulating | Adjust to 245 PSIG discharge |
| valve not adjusted properly. | pressure |
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| Reservoir float valve leaks thru | Replace float valve or seat |
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| Water cooled model, overcharged | Recover and weigh refrigerant. Weigh |
| with refrigerant | in correct charge. |
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| Water cooled model, condenser | Acid clean water cooled condenser. |
| coated with minerals |
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Excessive ice meltage | Bin drain clogged | Clean out bin drain. |
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| Improper installation of drains, they | Drains must be separate. |
| are connected. |
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| Poor fit between bin door and door | Adjust or replace |
| frame |
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Machine makes too much noise | Evaporator coated internally with | Clean with Scotsman Ice Machine |
| minerals | Cleaner |
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| Motor bearings dry | Oil or replace motor |
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January 2007
Page 23
