-SCS Parameter Analyzer Reference Manual Section 6:
4200A-901-01 Rev. C / February 2017 6-77
Placing the cursor on a flagged PMU1_1_S cell will open a window that summarizes the fault.
When a measurement fault occurs, a message appears in the upper left corner of the graph. The
figure in PMU and RPM measure ranges are not source ranges (on page 5-44
) shows a
measurement overflow on the Graph. The next figure shows a graph with a PMU Measurement
Overflow condition. When troubleshooting a measurement fault (such as the shown measurement
overflow), use the measurement status code to determine the situation and possible fixes. See
Basic
troubleshooting procedure (on page 5-48) for more information.
Figure 255: Sample measurement overflow
Status codes
Each measurement includes an 8-digit status code. Assign the following letters to the code and use
the next table to determine status:
A B C D E F G H
In the figure in PMU measurement status (on page 6-76
), the circled status code is 11010021:
A. 1 = LLEC failed, sweep not skipped (yellow indicates that LLEC failed)
B. 1 = RPM being used
C. 0 = Not applicable (always 0)
D. 1 = Spot mean measurement type
E. 0 = Source not in compliance, no threshold reached
F. 0 = No measurement overflows
G. 2 = 10 µA measure range
H. 1 = Channel 1, 10 V measure range
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