Troubleshooting
6-40 Manual # 42-02-1P21
HC-CTL Control Board
The HC-CTL-2 Control board monitors I/O, performs safety functions and provides front and
rear door operation. The HC-CTL-2 board is responsible for Inspection, Fire Service, Landing
System, door lock bypass, lanterns, and gongs.
Figure 6.3 HC-CTL-2 Control Board
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