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682XXB/683XXB MM 5-5
Error Message
Troubleshooting
Table
Page
Number
Error 120
Delta-F Circuits Failed
5-16 5-36
Error 121
Unleveled Indicator Failed
5-17 5-37
Error 122
Level Reference Failed
5-17 5-37
Error 123
Detector Log Amp Failed
5-17 5-37
Error 124
Full Band Unlocked and
Unleveled
5-18 5-39
Error 125
8.4 – 20 GHz Unlocked and
Unleveled
5-18 5-39
Error 126
2 – 8.4 GHz Unlocked and
Unleveled
5-18 5-39
Error 127
Detector Input Circuit
Failed
5-17 5-37
Error 128
.01 – 2 GHz Unleveled
5-20 5-41
Error 129
Switched Filter or Level
Detector Failed
5-20 5-44
Error 130
2 – 3.3 GH Switched Filter
5-20 5-47
Error 131
3.3 – 5.5 GH Switched Filter
5-20 5-47
Error 132
5.5 – 8.4 GH Switched Filter
5-20 5-47
Error 133
8.4 – 13.25 GH Switched Filter
5-20 5-47
Error 134
13.25 – 20 GH Switched Filter
5-20 5-47
Error 135
Modulator or Driver Failed
5-20 5-48
Error 142
Sample and Hold Circuit
Failed
5-17 5-37
Error 143
Slope DAC Failed
5-17 5-38
Table 5-1. Self-Test Error Messages (2 of 3)
SELF-TEST
TROUBLESHOOTING ERROR MESSAGES