Section 8
Troubleshooting guide
In this section:
Introduction .............................................................................. 8-1
Error summary ......................................................................... 8-1
Error effects on scripts ............................................................. 8-1
Reading errors ......................................................................... 8-2
LAN troubleshooting suggestions ............................................. 8-6
Introduction
Troubleshooting information includes information on the Keithley Instruments Model 2651A High
Power System SourceMeter
®
Instrument error levels, how to read errors, and a complete listing of
error messages.
Error summary
Error messages are listed in Error summary list (on page 8-2). The following error levels are
supported:
NO_SEVERITY Informational status message only.
INFORMATIONAL Informational status message only.
RECOVERABLE Error not serious, can be recovered.
SERIOUS Error serious, but unit still operational by correcting error.
FATAL Unit nonoperational.
Error effects on scripts
Most errors will not abort a running script. The only time a script is aborted is when a Lua run-time
error (error number -286) is detected. Run-time errors are caused by actions such as trying to index
into a variable that is not a table. Syntax errors (error number -285) in a script/command will not
technically abort the script, but it will prevent the script/command from being executed in the first
place.
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