Anritsu MG3702xA Series, Maintenance Manual

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Chapter 5 — Troubleshooting 5-3 Error Messages
MG3702xA MM PN: 10370-10372 Rev. B 5-3
2. To view the failure details, press the tab related to the failure (such as
Frequency
).
3. Highlight the failed test and activate the check mark under both
Enabled
and
Verbose
columns.
4. Select
Selected Test Log
to view the failure details.
You may chose to rerun only certain tests at this point. To do this:
5. Activate the checkmark(s) in the
Enabled
column for the desired test(s) and select
Run Enabled
.
The desired tests will be performed.
Self-test Definitions
• Core refers to the A7/A9 RF synthesis and associated PLL sections
• Output Loop refers to the A9 RF output
• DDS Range refers to the control circuit of the fine loop
Table 5-1. Self-Test Error Messages
Error Message
Troubleshooting
Table
Page
Number
Error 101 DVM Positive 10V Reference Table 5-12 5-19
Error 102 DVM Negative 10V Reference Table 5-12 5-19
Error 108 Crystal Oven Cold Table 5-13 5-20
Error 109 The 100 MHz Reference is not Locked to the External Reference Table 5-14 5-20
Error 121 Unleveled Indicator Failed Table 5-15 5-20
Error 122 Level Reference Failed Table 5-15 5-20
Error 144 RF was Off when Self-test started. Some tests were not performed. Table 5-16 5-21
Error 148 Pulse 100 MHz reference circuitry failed Table 5-17 5-21
Error 160 Core Synthesis Table 5-18 5-21
Error 161 DDS Range (Fine loop controller failure) Table 5-19 5-21
Error 162 Modulator Drive Table 5-20 5-22
Error 163 A2 Digital Power Table 5-21 5-22
Error 164 A2 Power Current Table 5-21 5-22
Error 165 Synth RAM Data Table 5-22 5-22
Error 166 Synth RAM Address Table 5-22 5-22
Error 167 Synth RAM device Table 5-22 5-22
Error 168 ALC Ram Data Table 5-23 5-23
Error 169 ALC RAM Address Table 5-23 5-23
Error 170 ALC RAM Device Table 5-23 5-23
Error 171 Processor Battery Table 5-24 5-23
Error 172 Core ALC Table 5-25 5-23