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Troubleshooting
Identifying the
Problem
Problem Type
Self-test Errors
Operator Errors
Catastrophic
Failures
Performance Out of
Specification
a. Verify proper connections and correct logical address setting before troubleshooting.
30 Service
To troubleshoot an Agilent E8482A/B RF Multiplexer module problem, you
should first identify the problem, and then isolate the cause to a
user-replaceable assembly.
NOTE
Test failures can be caused by improper cabling,improper selection of the
interface select code, primary, and/or secondary address setting. Verify
proper connection and address selection before troubleshooting. As
required, see the Agilent E8482A/B Six/Three 1x4 RF Multiplexer Module
User's Manual for information on address selection and cabling guidelines.
Table 3-2 lists some common problems, along with symptoms and possible
solutions.
NOTE
If the problem can not be identified or traced to a user-replaceable
assembly with the following procedures, contact Agilent Technologies for
repair and service (see page 10).
Table 3-2. Agilent E8482A/B Common Problems
Non-zero error code in response
to the *TST? command.
Non-zero error code in response
to the SYST:ERR? command.
Not responding to commands.
Failing Closed-channel
Resistance Test
Symptom
Recommended Actions
See page 19 in Chapter 2.
See Appendix C - Error Messages
in the Agilent E8482A/B Six/Three
1x4 RF Multiplexer User's Manual
for module errors and causes.
See "Testing the Assembly" later in
this chapter.
See page 22 in Chapter 2.
a
Chapter 3
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