user manual

F
F-1
FTroubleshooting the MVME177:
Solving Startup Problems
❏ Try these simple troubleshooting steps before calling for help
or sending your CPU board back for repair.
❏ Some of the procedures will return the board to the factory
debugger environment. (The board was tested under these
conditions before it left the factory.)
❏ Selftest may not run in all user-customized environments.
Table F-1. Basic Troubleshooting Steps
Condition ... Possible Problem ... Try This ...
I. Nothing works,
no display on the
terminal.
A. If the RUN or +12V
LED is not lit, the
board may not be
getting correct power.
1. Make sure the system is plugged in.
2. Check that the board is securely installed in
its backplane or chassis.
3. Check that all necessary cables are
connected to the board, per this manual.
4. Check for compliance with System
Considerations, per this manual.
5. Review the Installation and Startup
procedures, per this manual. In most cases,
this includes a step-by-step powerup routine.
Try it.
B. If the LEDs are lit,
the board may be in
the wrong slot.
1. For VMEmodules, the CPU board should be
in the Þrst (leftmost) slot.
2. Also check that the Òsystem controllerÓ
function on the board is enabled, per this
manual.
C.The Òsystem
consoleÓ terminal
may be conÞgured
wrong.
ConÞgure the system console terminal per this
manual.