User's Manual

CHAPTER 5 NDA-24300
Page 382
Issue 1
FAULT REPAIR PROCEDURES
11.2 When Faulty Circuit Cards Can Be Assumed From System Message
Faulty Situation:
When the system is down with message [0-C] ~ [0-J] indicated, faulty circuit cards can be assumed from
the message detail data. Replace circuit cards with spares.
Replace faulty circuit card with a spare. Set MB switch UP and extract the circuit card
from its mounting slot.
Make necessary switch settings on the new
circuit card.
Set the MB switch UP and insert the circuit
card into its mounting slot.
Set the MB switch DOWN.
Initialize the system by loading the office data
and program data from the hard disk.
Confirm that service connections such as
station-to-station connection can be set up.
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