"F-A" Control Board Sequence Flow Chart
DCM-751B_H(-OS)
4.
A. Sequence of | II. Sequence of |
1. Startup
Power Switch "ON" Control Switch in "ICE" Safety Switch closed "POWER OK" LED on
1. Fill Cycle
Maximum
90 seconds
2. Ice Purge Cycle
To bypass, press the "SERVICE" button after GM starts.
5 sec. 5 minutes
3. Freeze Cycle
(S1 Dip Switch 4). | Refill | |
Does not affect operation. | ||
Maximum | ||
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| 90 seconds |
Low Water Safety | When UFS closes, | |||
90 sec. FT exceeded | alarm resets and | |||
2. Ice Purge Cycle | ||||
90 sec. PT starts | starts. | |||
90 seconds |
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FT | PT | |||
terminates |
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exceeded |
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OperationFlow | Operation and |
| WV energized | LFS closed | GM energized | Comp energized | UFS open | LFS closed | ||
| UFS closed | GMPR energized | FM energized | LFS open | UFS closed | PT starts | WV energized | |
| FT starts (90 sec.) | |||||||
| FT terminates |
| GM energized | FT starts (90 sec.) | FT terminates | UFS open | GM | |
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| WV | GMPR energized | WV energized | WV | WV energized | GMPR | |
12 | If Fill > 90 sec. FT |
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| Comp energized | Comp energized | Comp |
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| FM energized | FM energized | FM |
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| WV energized |
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| GM energized | GM energized | GM energized |
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| When UFS closes |
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| GMPR energized | GMPR energized | GMPR energized |
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| alarm resets and |
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2. Ice Purge Cycle starts.
Chart | Service |
| Diagnosis |
2.Bin Control Shutdown & Restart
BC open (BC actuator paddle engaged)
1. Bin Full | 2. Icemaker Off | 3. Icemaker Restart |
6 to 10 sec. |
| Ice level lowered |
to "2. Ice Purge Cycle" above
All Components
(BC actuator paddle disengaged)
Legend:
3. | 1. DT Initiates DC 2. Ice Purge Cycle | 3. | |
& Restart (optional) | 5 minutes |
| to "1. Fill Cycle" above |
(S1 dip switch 4) |
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| Comp | DV energized | |
| FM | GM | DV |
| GM energized | GMPR | |
| GMPR energized |
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