Maintenance-Object Repair Procedures
555-233-143
8-1092 Issue 1 May 2002
System Technician-Demanded Tests:
Descriptions and Error Codes
Always investigate tests in the order presented in the table below when inspecting
errors in the system. For example, by clearing error codes associated with the
Port Diagnostic test (#35), you may also clear errors generated from other tests in
the testing sequence.
Table 8-448. System Technician-Demanded Tests: MET-LINE
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive, ND = Nondestructive
NPE Crosstalk test (#6) X ND
Port Diagnostic test (#35) X ND
MFAT Electronic Power Feed test (#56) X ND
Hybrid Circuit and Conference Circuit test (#57) X ND
Station Lamp Update test (#60) X X ND
Station Audits test (#61) X X ND
Ringer Update test (#62) X X ND
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