6–2
Solving Problems
• System unit power cord
• Expansion box connector cable to system unit
• Expansion box power cord
Now, set the
l O
power switches on your equipment to the on ( | )
position, in the following order:
1. Turn on the expansion boxes.
2. Turn on the console terminal.
3. Turn on the system unit.
The power-up test display should appear. If not, see ‘‘How to Use the
Troubleshooting Table’’.
How to Use the Troubleshooting Table
Table 6–1 suggests corrective actions for certain system problems. When
you have a problem, perform the following steps:
1. Note the symptoms of the problem.
2. Check the symptom column in Table 6–1 for a match.
3. Check the conditions for that symptom in the Possible Cause column.
If more than one possible cause is given, check the possible causes
and their suggested solutions in the order listed.
4. Follow the advice in the Suggested Solution column.
5. If the problem continues, see ‘‘Service Information’’.
Table 6–1
Troubleshooting Basic System Problems
Symptom
Possible Cause
Suggested Solution
System Unit Problems
The system unit fan
and power light are off.
The power cord is not
connected. The power
outlet may not be
working.
Check the power cord
connections at both ends.
Try a lamp that you
know works in the power
outlet.