Error Message
Description/Remarks
Error 140
25 – 32 GHz SDM Section Failed
Indicates a failure in the 25 - 32 GHz switched doubler filter path within the SDM.
The 680XXB is still operable but it will not produce an RF output in the 25 - 32 GHz
frequency range.
Error 141
20 – 25 GHz SDM Section Failed
Indicates a failure in the 20 - 25 GHz switched doubler filter path within the SDM.
The 680XXB is still operable but it will not produce an RF output in the 20 - 25 GHz
frequency range.
Error 143
Slope DAC Failed
Indicates a failure of the level slope DAC on the A10 PCB. The 680XXB still
operates normally but RF output level flatness may be affected during frequency
sweeps.
Error 144
RF was Off when Selftest
started. Some tests were
not performed.
Indicates that some self-tests were not performed because RF Output was
selected OFF on the 680XXB front panel. Press the OUTPUT key to turn RF
Output ON and run the instrument self-test again.
Table 6-1.
Self-Test Error Messages (4 of 4)
OPERATOR
ERROR AND WARNING/
MAINTENANCE
STATUS MESSAGES
680XXB OM
6-7
Summary of Contents for 680 B Series
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Page 11: ...Figure 1 1 Series 680XXB Synthesized CW Generator...
