Service manual

Repair Strategy Agilent Technologies recommends replacement of the entire assembly in the
event of a failure. Procedures in this chapter describe troubleshooting
techniques.
Troubleshooting
Techniques
To troubleshoot an Agilent E1330A/B module problem you must first
identify the problem and then isolate the cause of the problem to a
replaceable assembly. See Chapter 3 — Replaceable Parts for descriptions
and locations of Agilent E1330A/B replaceable parts.
Identifying the
Problem
Table 4-1 lists some common problems for the Agilent E1330A/B modules,
along with symptoms and possible solutions. If the problem cannot be
identified using these steps, replace the assembly.
Table 4-1. Agilent E1330A/B Typical Problems
Symptom Possible Solutions
Non-zero error code in
response to SYST:ERR?
See Appendix A of the Agilent
E1330A/B Quad 8-Bit Digital I/O Module
User’s Manual.
Module not responding to
commands.
See “Making Visual Checks” in this
chapter.
Module fails Digital Test
(Test 2-1).
See “Testing the Module” in this
chapter.
Making Visual
Checks
Visual checks for the Agilent E1330A/B modules include the following. See
Table 4-2 for typical checks.
• Check switches/jumpers
• Check for heat damage
• Check connector contacts
NOTE
See the Agilent E1330A/B Quad 8-Bit Digital I/O Module User’s Manual
for information on logical address and IRQ settings. If there are no
apparent problems following the visual checks, run the Performance
Verification Tests in Chapter 2 to see if the module is defective.
4-2 Service