Maintenance-Object Repair Procedures
555-233-143
8-10 Issue 1 May 2002
System Technician-Demanded Tests:
Descriptions and Error Codes
Always investigate tests in the order presented in the table below. For example,
by clearing error codes associated with the AC Power Query test (#78), you may
also clear errors generated from other tests in the testing sequence. Refer to the
appropriate sections of this chapter for descriptions of each test.
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
Battery & Battery Charger Query test (#5) X X ND
AC Power Query test (#78) X X ND
Power Unit Query test (carrier E) (#127) X X ND
Power Unit Query test (carrier D) (#127) X X ND
Power Unit Query test (carrier A) (#127) X X ND
Power Unit Query test (carrier B) (#127) X X ND
Power Unit Query test (carrier C) (#127) X X ND
Emergency Transfer Query test (#124) X X ND
Cabinet Temperature Query test (#122) X X ND
External Alarm Lead Query test (#120) X X ND
Analog Ring Generator Initialization test (#117) X X ND
Analog Ring Generator Query test (#118) X X ND
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