MAINTENANCE

Fault Diagnosis

4.Fault Diagnosis

4.1General

If a fault occurs to the NEAX2400 IMX OAI System, the corresponding system message is displayed. This section explains the procedures of fault diagnosis by system messages and of fault repairs.

Collection of Fault Information

Alarm

System Message

Fault detected during routine maintenance

Section 4. Item 4.2 Diagnosis from System Messages

FAULT REPAIR

Figure 6-2 Flow of Fault Repair

CHAPTER 6

ND-70895 (E)

Page 92

Revision 1.0

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NEC ND-70895 (E) system manual Fault Diagnosis, Flow of Fault Repair