Extracting the Fault Log with the Demo OCU

RMP 210, 220, 440LE, 440SE, 440 Omni
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Extracting the Fault Log with the Demo OCU

Post by sdnalloh »

Extracting the Fault Log with the Demo OCU

Follow these instructions to extract the fault log from your RMP. By entering Diagnostic Mode, you can extract the fault log even if the RMP won't start up successfully.

  • Centralized-Controller-Based Platform (RMP 210, 220, 440LE, 440SE)
  • Starter Breakout Harness (included with Segway RMP)
  • Disable Button (included with Segway RMP)
  • Windows Computer with Segway Demo OCU software installed
  • Paperclip or Wire
To download and install the Segway Demo OCU software, please read the post "Getting Started with your Segway RMP" (http://rmp.segway.com/viewtopic.php?f=9&t=71).

  1. Enter Diagnostic Mode
  2. Extract the Fault Log

Enter Diagnostic Mode
  1. Turn off the RMP
    1. Flip the ON/OFF switch down.
  2. Attach the Starter Breakout Harness
    This harness has Ethernet, USB, and CAN connectors as well a number of power leads.
    1. Slide the plug over Connector I (Comms / DC Out). You may need to rotate the plug before it slides in.
    2. Twist the collar on the plug to screw it in. Keep turning until the red line is no longer visible.
  3. Disconnect the Disable Button
    1. Disconnect any harnesses connected to Connector II (Emergency Disable).
    2. Twist the collar on the plug to unscrew it.
  4. Enable Diagnostic Mode
    1. Connect pins D and E on Connector II (Emergency Disable) using a paperclip or piece of wire.
    2. Leave the paperclip or wire in place.
      Diagnostic Mode.png
  5. Connect the RMP to your computer via USB
    1. Locate the USB cable on the Starter Breakout Harness connected to your RMP.
    2. Plug the USB cable into your computer. The RMP will power on and the LEDs will start flashing:
      • Power LED: Red Blinking, Sync'd
      • Status LED: Green Blinking, Sync'd

Extract the Fault Log
  1. Run the RMP_Demo_OCU Program
    1. Double-click the RMP_Demo_OCU icon on your desktop.
      Desktop Icon - RMP Demo OCU.png
    2. The OCU Demo program will open.
      OCU Demo.png
  2. Extract the Fault Log
    1. Click “Extract Faultlog”. A popup window will appear.
      Select USB.png
    2. Select “USB” and click “Next”.
    3. Select a location to save the log file and click “OK”.
      Default location: C:\Program Files\Segway\RMP_Applications\RMP_Demo_OCU_Applications\RMP_CCU_FAULTLOGS
    4. The fault log will open in your web browser.
      Fault Log.png

Read the Fault Log

The fault log is arranged with a header at the top and the 20 most recent faults below. The first fault logged is recorded as Fault[0], the second fault as Fault[1], and so on until the 20th fault is recorded as Fault[19]. At this point there are no empty slots remaining in the fault log, so the 21st fault overwrites Fault[0]. Similarly, the 22nd fault overwrites Fault[1] in the log. This process continues indefinitely so that only the latest 20 faults are present in the log.

For your convenience the latest entry is listed in the header. If the fault log reads "Latest Entry 4", then Fault[4] is the most recent fault.

If a fault provides more information, that information is available in Data[0] and Data[1]. Often these contain bitmaps which can be decoded to provide additional information.

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