Problem | Possible Cause |
| Remedy |
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| d)Pump Motor | 1. Motor winding opened. | 1. Replace. |
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| 2. Bearing worn out. | 2. Replace. |
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| 3. Wiring to pump motor. | 3. Check for loose |
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| connection or open, and |
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| replace. |
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| 4. Defective capacitor. | 4. Replace. |
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| 5. Defective or bound | 5. Replace and clean. |
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| impeller. |
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| 6. Mechanical seal worn | 6. Check and replace. |
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| out. |
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| e)Controller Board | 1. Defective. | 1. See "II.B.5. Checking the |
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| Controller Board." |
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[6] Fan motor will | a)Fan Motor | 1. Motor winding opened. | 1. Replace. |
not start, or is not |
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| 2. Bearing worn out. | 2. Replace. | |
operating. |
| ||
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| |
| 3. Wiring to fan motor. | 3. Check for loose | |
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| ||
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| connection or open, and |
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| replace. |
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| 4. Defective capacitor. | 4. Replace. |
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| 5. Fan blade bound. | 5. Check and replace. |
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| b)Controller Board | 1. Defective. | 1. See "II.B.5. Checking the |
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|
| Controller Board." |
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|
[7] All components | a)Refrigerant | 1. Undercharged. | 1. Check for leaks and |
run, but no ice is |
|
| recharge. |
produced. |
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| 2. Air or moisture | 2. Replace drier and | |
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| ||
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| trapped. | recharge. |
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| b)Compressor | 1. Defective valve. | 1. Replace. |
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| c) Hot Gas Solenoid Valve | 1. Continues to open in | 1. Check and replace. |
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| freeze cycle. |
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| d)Line Valve | 1. Continues to close in | 1. Check and replace. |
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| freeze cycle. |
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| e)Water Supply Line | 1. Condenser water | 1. Check and get |
| pressure too low or off | recommended pressure. | |
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| and pressure control |
|
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| opens and closes |
|
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| frequently. |
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| f) Water Solenoid Valve | 1. Water solenoid valve | 1. Check for water leaks with |
|
| is wide open during | icemaker off. |
|
| freeze. |
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|
B. Evaporator is Frozen Up
Problem | Possible Cause |
| Remedy |
[1]Freeze cycle time is | a)Float Switch | 1. Leads | 1. Check and replace. |
too long. |
| defective switch. |
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| 2. Float does not move | 2. Clean or replace. |
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| freely. |
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| b)Water Solenoid Valve | 1. Diaphragm does not | 1. Check for water leaks with |
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| close. | icemaker off. |
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