230 TimeHub 5500 User’s Guide 097-55501-01 Revision M – January 2009
Chapter 5 Maintaining the TimeHub 5500
Troubleshooting the TimeHub 5500
Troubleshooting the Expansion Controller Card
The front panel of the Expansion Controller card is shown in Figure 5-8. Use the
LEDs on the front panel and the actions in Table 5-4 to diagnose and resolve
problems with the EC card.
Figure 5-8. Front Panel of the Expansion Controller Card