3. Low Ice Production
Problem | Possible Cause | Remedy | ||
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[1] | Freeze cycle time is | a) See chart 1.[3] and check high pressure controller and water regulator. | ||
| long. |
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| b) | See chart 2.[1] and check float switch, water solenoid valve and controller board. | ||
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[2] | Harvest cycle time is | a) | See chart 2.[2] and check evaporator, water supply line, water filter system, water | |
| long. |
| solenoid valve, ambient and/or water temperature, line valve, thermistor, and | |
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| controller board. |
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4. Abnormal Ice
Problem | Possible Cause |
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[1] Small cubes. | a) Ice Cube Guide | 1. | Out of position. Circulated | 1. | Place in position. |
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| water falls into bin. |
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| b) See chart 1.[5] and check water supply line, water solenoid valve, water system, | ||||
| pump motor, and controller board. |
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| c) Pump Out Check | 1. | Dirty. | 1. | Clean. |
| Valve |
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[2] Cloudy or irregular | a) See chart 2.[1] and 2.[3], and check float switch, water solenoid valve, controller | ||||
cubes. | board, spray tubes, water system, refrigerant charge, and expansion valve. | ||||
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| b) Spray Guide | 1. | Dirty. | 1. | Clean. |
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| c) Water Quality | 1. | High hardness or contains | 1. | Install a water softener or |
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| impurities. |
| filter. |
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5. Other
Problem | Possible Cause |
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[1] Icemaker will not | a) Bin Control Thermostat | 1. | Set too cold. | 1. | Adjust warmer. |
stop when bin is filled |
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| 2. | Defective. | 2. | Replace. | |
with ice. |
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[2] Abnormal noise. | a) Pump Motor | 1. | Bearings worn out. | 1. | Replace. |
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| b) Fan Motor | 1. | Bearings worn out. | 1. | Replace. |
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| 2. | Fan blade deformed. | 2. | Replace fan blade. |
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| 3. | Fan blade does not move | 3. | Replace. |
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| freely. |
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| c) Compressor | 1. | Bearings worn out or | 1. | Replace. |
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| cylinder valve broken. |
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| 2. | Mounting pad out of | 2. | Reinstall. |
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| position. |
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| d) Refrigerant Lines | 1. | Rub or touch other lines or | 1. | Replace. |
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| surfaces. |
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[3] Ice in storage bin | a) Bin Drain | 1. | Plugged. | 1. | Clean. |
often melts. |
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b) Icemker and Bin | 1. | Drains not run separately. | 1. | Separate the drain lines. | |
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