CHAPTER 2 TROUBLESHOOTING
– 124 – NWA-008847-001 Rev.3.0
a6ch2001.fm
OUTLINE OF TROUBLESHOOTING
The outline of the recommended troubleshooting procedure is shown below:
Outline of Troubleshooting
START
FAULT DIAGNOSIS
AND
TROUBLESHOOTING
Fault Detection Method (See Page 125)
(1) Alarm Indication on PWRU, Alarm Display
Panel
(2) Lamp Indication on Circuit Cards
(3) Complaint from station user or operator
Fault Diagnosis and Troubleshooting Method
(1) Display on MAT/CAT (See Page 138)
• Fault Message
• Station Line Status Display
(2) Troubleshooting by Lamp Indication
on Circuit Cards
(See Page 168)
(3) Troubleshooting by Contents of Complaint
(See Page 206)
FAULT DETECTION
END
OUTLINE OF TROUBLESHOOTING
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