097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 153
Chapter 6 Maintaining and Troubleshooting the TimeProvider
Diagnosing the IMC
Interpreting Error Messages
Error messages appear on the console as they occur, and include the time and date
of occurrence. Refer to the event codes described in Table 6-5 and to the alarm
codes described in Table 6-7.
Replacing the IMC
You can remove the IMC from the shelf and replace it without affecting outputs.
1. Save the contents of the IMC memory in an IOC by issuing the following
command:
CPY-MEM:::::IMC,IOC,IMC;
This command may take more than two seconds to execute; if it does, then the
In-Process response is issued. See the TimeProvider TL1 Reference Guide for
more information on the CPY-MEM command.
2. Attach a wrist grounding strap and connect it to the TimeProvider chassis.
3. Remove the IMC by loosening the captive screws and pulling the IMC from the
shelf.
4. Place the IMC in a static-free bag or on a static-free surface.
5. Insert another IMC into the shelf and tighten the captive screws.
6. Reload the IMC memory from the IOC by issuing the following command:
CPY-MEM:::::IOC,IMC,IMC;
Warning: To avoid possible electrostatic damage to the IMC,
place it in a static-free bag or on a static-free surface.