On the CDE client, a U2980/U2990 board slot or indicator on the simulated panel is steady red.
On the CDE client, choose Alarm > Browse Alarms to check the board alarm whose ID is 2520. If the alarm exists, double-click the alarm and click Details in the dialog box that is displayed. Then, rectify the fault by following the suggestions provided.
If the fault still persists, obtain help through the channels described in Help Channels.
The board is faulty or unavailable.