The Computer
5-38 Manual # 42-02-1P28 A3
Touch Screen Tools
System I/O
At this level, inputs and outputs are grouped separately and alphabetically with no reference to
their function.
• Inputs and Outputs: Indicators reflect activation of that physical input or output. When
the board LED is lighted, the indicator will also be lighted.
• System Inputs: Dedicated (non-programmable) inputs status indicators.
• System Outputs: Dedicated (non-programmable) outputs status indicators.
• Programmed Inputs: Programmable inputs status indicators.
• Programmed Outputs: Programmable outputs status indicators.
• Front CPI I/O Status
•Rear CPI I/O Status
1. If an input is not in the proper state, troubleshoot the connection and the source.
2. If an output is in the proper state but the system is not reacting accordingly, trouble-
shoot the connection and the destination equipment.
3. If an output is not in the proper state, check the job prints to see what inputs or internal
flags must be asserted in order to enable the output.
• Troubleshoot associated inputs in System I/O or System Diagnostics.
• Troubleshoot internal flags according to their origination (i.e., safety processors CAR,
MOTION, GROUP, or PLD).
System Diagnostics
At this level, inputs and outputs are gathered into sets according to the system they affect (their
collective function). (See troubleshooting steps above.)
• Door Control: Indicators for door related inputs and outputs.
• Landing System: Indicators for landing system related inputs and outputs.
• Event Log: Time stamped entries for system events and faults.
• Diagnostics Tree: Indicators on this screen must be ON in order for the related function to
succeed. Some indicators are single; some (+) expand to a list when selected. If the system
is not doing what it is supposed to, an unlighted indicator points you to the problem.
• Active Events: Displays currently active events.
FCE1 & FCE2 Voltage for CE Driver Board MDQ/313
FT(X) Voltage for Transformer See labeling in controller.
F24V Voltage for Serial Calls AGC/312
FCR Voltage for Card Readers AGC/312
F2CE Voltage to FCE Transformer MDQ/313
F2V Voltage to Valves MDQ/313
Table 5.7 Backplane Fuses
Bus Description Type
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