Table 1. Fault Isolation Guide

Troubleshoot and Repair Communications System Control
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NOTE:

Refer to Table 1, code 1|0. (See page 3-4, TM 11-1521-262-35 extract.)

(4)

Should both tests fail, the probable fault is in the protective device and filter.

NOTE:

Refer to fault isolation guide code Table 1, code 0|0 on page 3-4, TM 11-

1521-262-35 extract, Subtest 3.

(5)

If all steps show a normal indication, the set is operating properly; however, it is

possible that another function is failing.

NOTE:

Refer to fault isolation guide Table 1, code 1|1 on page 3-4, TM 11-5821-262-

35 extract, Subtest 4.

(6)

This ends the functional test of the C-6533. If you do not feel confident in

performing this test, repeat the procedure then continue with the lesson.

In this section, you troubleshoot the C-6533. (Refer to TM 11-5821-262-35 extract,

paragraph 3-8c.) The functional test tells you which subtest to perform. These are listed in

Table 1 below.

Table 1. FAULT ISOLATION GUIDE.

Subtest 1. Fault code 0|0 indicates a protective device and filter problem.

(1)

The test equipment setup is the same as for the functional test. Equipment

settings are as follows:

(a)

COMM CONT NUMBER 1 SELECTOR SWITCH: ICS.