Problem | Possible Cause |
| Remedy | |
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[1]Freeze cycle time is | f) | Thermistor | 1. Disconnected, loose, | 1. Connect, secure, check. |
too long. (continued) |
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| or defective. | See "V.L. Removal |
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|
| and Replacement of |
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|
|
| Thermistor." |
| g) Refrigerant | 1. Low charge. | 1. Check for leaks. Recover, | |
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| repair, evacuate, and |
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| recharge. |
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| |
| h) Expansion Valve | 1. Bulb loose. | 1. Secure bulb. | |
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| 2. Operating erratically. | 2. Check and replace. |
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| i) | Control Board | 1. Defective. | 1. See "IV.B. Control Board |
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|
| Check." |
[2]All ice formed on | a) Evaporator | 1. Scaled up. | 1. Clean. | |
evaporator does not |
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| 2. Damaged. | 2. Replace. |
fall into bin in harvest |
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| ||
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| ||
b) Ambient and/or Water | 1. Too cool. | 1. Increase temperature. | ||
cycle. |
| Temperature |
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| |
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| |
| c) Water Supply Line | 1. Water pressure too | 1. Check and get | |
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| low. | recommended pressure. |
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| |
| d) Water System | 1. Water supply line | 1. Increase water line size. | |
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| too small; requires |
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| 3/8" OD line dedicated |
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| per machine. |
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| 2. Water filter clogged or | 2. Replace filter or install a |
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| flow rate too small. | higher flow rate filter. |
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| |
| e) Inlet Water Valve | 1. Dirty mesh filter or | 1. Clean. | |
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| orifice. |
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| 2. Diaphragm does not | 2. Check for water leaks with |
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| close. | icemaker off. |
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| f) | Spray Tubes | 1. Dirty. | 1. Clean. |
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| 2. Out of position. | 2. Place in position. |
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| |
| g) Thermistor | 1. Disconnected, loose, | 1. Connect, secure, check. | |
|
|
| or defective. | See "V.L. Removal |
|
|
|
| and Replacement of |
|
|
|
| Thermistor." |
|
|
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| |
| h) Hot Gas Valve | 1. Coil winding open. | 1. Replace. | |
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| 2. Plunger does not | 2. Replace. |
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| move. |
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| 3. Wiring to hot gas | 3. Check for loose |
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| valve. | connection or open, and |
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| replace. |
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| i) | Expansion Valve | 1. Bulb loose. | 1. Secure bulb. |
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| 2. Operating erratically. | 2. Check and replace. |
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| j) | Liquid Line Valve | 1. Continues to open in | 1. Check operation in harvest |
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| (if applicable) | harvest cycle. | cycle and replace. |
| k) Control Board | 1. Harvest timer is set | 1. Adjust longer, referring to | |
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| too short. | "II.C.3.b) Harvest Timer |
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| (S4 dip switch 1 & 2)." |
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| 2. Defective. | 2. See "IV.B. Control Board |
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| Check." |
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