Installation guide

Troubleshooting Checklist
Troubleshooting 4-5
4.2 TROUBLESHOOTING CHECKLIST
If the module is not working properly, refer to Table 4-2 for a checklist of problems, possible
causes, and recommended actions to resolve the problem.
Table 4-2 Troubleshooting Checklist
Problem Possible Cause Recommended Action
All LEDs are
OFF.
Loss of power. Ensure that the module was installed
properly according to the installation
instructions in Chapter 3, and that the host
chassis is providing power.
No Local
Management
Password screen.
Incorrect terminal setup. Refer to the Enterasys Matrix DFE-Platinum
Series Configuration Guide for proper setup
procedures.
Improper console cable
pinouts.
Refer to Appendix A for proper COM port
pinouts.
Corrupt firmware image,
or hardware fault.
If possible, attempt to download the image to
the module again. Refer to Section B.2 for
instructions to clear NVRAM.
Cannot navigate
beyond Password
screen.
Improper username/
password combination
entered.
If the username/password combination has
been forgotten, refer to Section B.2 for
instructions on how to set the mode switch to
reset the username/password combination to
the default values.