2. Features
The control board provides the following safeguards:
•Provides component protection during low water supply.
•Purges remaining ice in the evaporator at startup and shutdown.
•Provides short cycle protection for the compressor.
a)LED Lights
The "POWER" LED indicates control voltage and will remain on unless a control voltage problem occurs. An LED illuminates for each relay as it is energized. For more information, see "II.C. Sequence of Operation."
Icemaking
Cycle (Relay) | LED | Energized |
| Time LEDs are | Frequency LEDs are |
Components |
| On | On | ||
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| |||
Fill | POWER only | WV |
| N/A | As Needed |
Ice Purge (X1) | GM | GM, HTR |
| 60 seconds | N/A |
Freeze (X1, X2) | GM, COMP | GM, HTR, |
| N/A | N/A |
Comp, FMS |
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| |
Drain Valve (X6) | FLUSH | DV |
| 20 Minutes | Every 12 Hours |
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| Dispensing |
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| |
Relay | LED | Energized |
| Time LEDs are | Frequency LEDs are |
Component |
| On | On | ||
|
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| |||
| Push Button |
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Ice Dispense (X4) | DM | IDM |
| 60 seconds | N/A |
Opti Serv |
| maximum | |||
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| ICE |
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| Every 12 seconds of |
Agitating Motors (X3) | AM | AM |
| .6 seconds | accumulative dispense |
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| time |
Water Dispense (X5) | WTR | WTR |
| N/A | N/A |
(Opti Serv Only) |
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Legend:
17
