62-11640
7–106
21100
NO COMM FROM ANY BOARD TO MAIN MICRO
NOTE
This alarm will be available in the inactive alarm list and download only. It is an indication that an
intermittent problem has occurred and a careful diagnosis is required.
• ACTIVATION: Main microprocessor cannot communicate with any modules over the CAN bus.
• UNIT CONTROL: Engine and Electric Operation: Required Shutdown. If alarm remains active for 2 minutes
issue a shutdown command to all modules except the display.
• RESET CONDITION: Auto reset when CAN communication is restored, or alarm may be manually reset by
turning the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 in
Section, page 7-2.) Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1.
Check CAN bus
a. Inspect connector pins & terminals on 1MM, 1SVM, DM and ENCU. Verify no damage or corrosion
in connections.
b. Check for CAN circuit continuity: CAN Hi; Refer to
CAN Lo; Refer to
. If
good continuity not present, check connectors and wiring between terminals for damage, moisture
or corrosion.
2.
Check for other CAN bus alarms
This alarm may accompany by other alarms, complete troubleshooting steps for alarms found. If
repairs have been made and the other alarms have cleared, further troubleshooting may not be
required. If this alarm reoccurs, check CAN bus as described in the proceeding step.
3.
Perform and analyze a data download
22100
NO COMM FROM MICRO TO INPBD1
• ACTIVATION: Main microprocessor cannot communicate internally.
• UNIT CONTROL: Engine and Electric Operation: Shutdown all modules except the display and alarm.
(The alarm will only display if the display module is communicating.) Main microprocessor status LED will
illuminate steady green (not pulsing).
• RESET CONDITION: Auto reset when internal communication is restored, alarm reset, or alarm may be
manually reset by turning the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 in
Section, page 7-2.) Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1.
Replace Main Microprocessor
Download data and replace main microprocessor. For complete Main Microprocessor Module
replacement instructions refer to
Summary of Contents for Vector 8500
Page 23: ...62 11640 1 6 1 3 SAFETY DECALS ...
Page 24: ...1 7 62 11640 62 03958 ...
Page 25: ...62 11640 1 8 ...
Page 26: ...1 9 62 11640 ...
Page 27: ...62 11640 1 10 ...
Page 125: ...62 11640 SECTION 6 MESSAGECENTER PARAGRAPH NUMBER Page 6 1 MESSAGECENTER MESSAGES 6 1 ...
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