Troubleshooting
6-2 Manual # 42-02-1P21
Troubleshooting Tools
The following troubleshooting tools are available on the Motion 2000 Hydraulic controller:
• Status Indicators: The status indicators on the HC-MPU board provide a quick look at
the status of the safety circuit, door locks, and mode of operation, e.g., Independent ser-
vice, Inspection and Fire service. Please refer to “Indicators” on page 5-2.
• Scrolling Messages: The Status and Error messages are scrolled on the LCD display on
the HC-MPU board. This is one of the first places to look for an indication of a problem. A
complete list of Status and Error Messages can be found in Section 6. This list includes a
description of each message and suggestions for troubleshooting. Please refer to “Status
and Error Messages” on page 6-3.
• Diagnostic Mode: A description of how to use the diagnostic mode for troubleshooting
is provided in Section 5. Please refer to “Diagnostic Mode” on page 5-6 and see “Trouble-
shooting Using the Computer's Internal Memory ” on page 5-9.
• External Memory Mode: External memory mode can be used to view memory address
in external RAM and on the HC-MPU board. Using External Memory Mode for trouble-
shooting is described in Section 5. Please refer to “F2: External Memory Mode” on page 5-
56.
• PC Board Quick References: This section contains information about the circuit
boards and assemblies, including photographs with informational call outs, inputs/out-
puts, indicators, jumpers, test points and other information pertinent to troubleshooting.
Please refer to “PC Board Quick References” on page 6-37.
• MLT / VLT Data Trap: The data trap records many of the controller’s operational flags
at the moment an MLT or VLT occurs. This allows you to see the status of the flags leading
up to the fault. Please refer to “ICE-COP-2 Car Panel Interface Board” on page 6-60.
• Motion 2000 Parameter Settings Record: This table in the Appendix provides a
record of the original parameter settings as well as a place to record changes made to the
parameters. Please refer to “Motion 2000 Parameter Settings Record” on page 7-2.
• Wiring Prints: MCE job prints are technical drawings and instructions specifically gen-
erated for each installation. Use these drawings while tracing problems involving internal
and external wiring to the controller. Please refer to “Wiring Prints ” on page 2-5.
• LS-QUTE Landing System Assembly Drawings: Use these drawings if it becomes
necessary to troubleshoot a problem or replace the HC-IPLS board in the LS-QUTE land-
ing system. Please refer to “LS-QUTE Landing System Assembly Drawings” on page 7-14.
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