Debugging VIs
- Updated2026-07-27
- 1 minute(s) read
Debug the VIs you call from TestStand by stepping into the VI in LabVIEW.
- Place a breakpoint on the LabVIEW Pass/Fail Test step.
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Select Execute»Run MainSequence.
Execution pauses on the LabVIEW Pass/Fail Test step.
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In the Execution window, click Step Into.
LabVIEW becomes the active application and opens the LabVIEW Pass/Fail Test VI in a suspended state.
- Open the block diagram of the suspended VI.
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Use the LabVIEW toolbar to step through the VI.
- Select Step Into or Step Over.
- To stop stepping and run the VI to completion, select Finish VI.
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When you finish stepping through the VI, click Return to Caller
on the LabVIEW toolbar.
Execution pauses on the next step in the sequence.
- In TestStand, click Resume to complete execution.
- Close the Execution window.
- Remove the breakpoint from the LabVIEW Pass/Fail Test step. Leave the sequence file open for the next tutorial.