Maintenance-Object Repair Procedures
555-233-143
8-500 Issue 1 May 2002
System Technician-Demanded Tests:
Descriptions and Error Codes
Always investigate tests in the order presented in the following table when
inspecting errors in the system. By clearing error codes associated with the
Single-Carrier Cabinet Power Query test, for example, you may also clear errors
generated from other tests in the testing sequence. Test description(s) and
recommended maintenance procedures follow for every error that can occur
during technician-demanded testing.
Notes:
a. See ‘‘EMG-XFER (Emergency Transfer)’’ on page 8-736 for a description
of this test.
b. See ‘‘EXT-DEV ADMIN? Y (External Device Alarm)’’ on page 8-827 for a
description of this test.
c. See ‘‘RING-GEN’’ for a description of this test.
Single-Carrier Cabinet Power Query Test (#79)
This test queries an PN’s Maintenance circuit pack about the power’s status in a
single-carrier cabinet PN. This test can only detect power problems in the carriers
of the PN where the Carrier Port Power Supply physically resides.
Order of Investigation
Short
Tes t
Sequence
Long Test
Sequence
D/ND
1
1. D = Destructive; ND = Nondestructive
Single-Carrier Cabinet Power Query test (#79) X X ND
Emergency Transfer Query test (#124) (a) X X ND
External Alarm Lead Query test (#120) (b) X X ND
Analog Ring Generator Initialization test (#117) (c) X X ND
Analog Ring Generator Query test (#118) (c) X X ND
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