Motorola MVME177 Table F-1. Basic Troubleshooting Steps, Condition Possible Problem Try This

FTroubleshooting the MVME177:

Solving Startup Problems

F

❏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,	A. If the RUN or +12V	1. Make sure the system is plugged in.
no display on the	LED is not lit, the	2. Check that the board is securely installed in
terminal.	board may not be	its backplane or chassis.
	getting correct power.	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,	1. For VMEmodules, the CPU board should be
	the board may be in	in the Þrst (leftmost) slot.
	the wrong slot.	2. Also check that the Òsystem controllerÓ
		function on the board is enabled, per this
		manual.
	C.The Òsystem	ConÞgure the system console terminal per this
	consoleÓ terminal	manual.
	may be conÞgured
	wrong.

F-1