NEC NDA-24300 manual When Faulty Circuit Cards Can Be Assumed From System Message

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.

START

Replace faulty circuit card with a spare.

Confirm that service connections such as station-to-station connection can be set up.

END

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.

CHAPTER 5 NDA-24300

Page 382

Issue 1