User's Manual

NDA-24300 CHAPTER 5
Page 379
Issue 1
FAULT REPAIR PROCEDURES
11. SYSTEM DOWN FAULT
This section explains the fault repair procedure when both the CPU and TSW systems are faulty. Figure 5-22
shows the sequence of repair for system down fault.
Figure 5-22 System Down Fault Repair Sequence
When cause for the fault cannot be identified:
Section 11.1
When faulty circuit cards can be assumed from
system message: Section 11.2
Check power supply.
Minimize system configuration.
Execute system initialization and see if the mode becomes ON-LINE.
Replace doubtful circuit card with a spare.