User`s guide

8-2
ESCALA T610 and PL 600T User’s Guide
Step 3
Determine if the operating system is accepting commands.
Is the operating system accepting commands?
NO The system must be turned off in order to run diagnostics.
Verify with the system administration and users that the system may be
turned off. If so, then turn off the system unit and go to ”Step 6”.
YES Go to ”Step 4”.
Step 4
Diagnostic tests can be run on many resources while the operating system is running.
However, more extensive problem isolation is obtained by running Online Diagnostics in
Service mode.
Do you want to run the Online Diagnostics in Service mode?
NO Go to ”Step 5”.
YES Do the following to shut down your system:
a. At the system prompt, stop the operating system using the proper
command for your operating system.
b. After the operating system is stopped, power off the system unit.
c. Go to ”Step 6”
Step 5
This step starts the Online Diagnostics in concurrent mode.
1. Log on as root or as superuser.
2. Enter the diag command.
3. Wait until the Diagnostic Operating Instructions are displayed, or wait for three minutes.
Are the Diagnostic Operating Instructions displayed without any obvious console
display problems?
NO Do the following to shut down your system:
a. At the system prompt, stop the operating system using the proper
command for your operating system.
b. After the operating system is stopped, power off the system unit. See
”Powering Off the System” on page 0.
c. Go to ”Step 6”.
YES Go to ”Step 9”.