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Processor Problems
Console Display/Instructions
Additional Information
PC
7 If the release number is the one you want, select Yes.
Upgrade/Installation:
System will be down . . .
Do you want to continue?
Yes
No
Exit
(F2)
8 If the forced installation is attempted while a line/trunk or extension is
busy, the following screen appears.
System Busy - Pls Wait
Dial Code: xxxx S/P: ss/pp
Exit
(F5)
9 Observe the progress screen and the error/status display LED on the
processor module.
Upgrade/Installation:
Upgrade/Installation
In Progress.
The error/status LED should show a flashing L during installation of system
software. Upon successful completion, the system performs a frigid start
(System Erase). While the frigid start is in progress, an F shows on the
error/status display.
If the installation of system software was unsuccessful, an error code is
displayed and the system may not function. See Table 4–2 and “Error
Conditions During Forced Installation.”
4-24 Control Unit Problems