AT&T 3.0 manual Error Conditions During Forced Installation, Restore system programming

Processor Problems

10 Remove the memory card from the interface slot.

11 Verify that system software has been correctly installed and that the default system programming is present.

No error condition is displayed on the error/status display,

12 Restore system programming.

After about 10 minutes, check to see if the red alarm status LED is lit, (RED). If it is not, the installation was successful. If the LED is lit, check the error log for one of the following:

■XRAY monitor ROM failure

■SYS software ROM failure

These indicate a ROM failure and unsuccessful installation.

If the forced installation was performed due to corrupt system software, it is possible that the backup of system programming might also be corrupt. Verify that the error condition that required a forced installation of software is not still present.

Error Conditions During Forced Installation

The error code/status display on the processor module or the maintenance screen informs you of problems during or after a forced installation. See Table 4–2for error codes displayed. Also see the screens following the table for errors displayed on the maintenance console or PC.

The following error conditions can only occur during or immediately after a forced installation. Instructions for recovery follow the description of each error condition.

Control Unit Problems 4-25