Service Guide N5230-90024 4-25
PNA Series Microwave Network Analyzers Troubleshooting
N5230C Measurement System Troubleshooting
Error Messages
SOURCE UNLEVELED: The source ALC circuits on the A16 test set motherboard is running open-loop. Check
the cable connections for W29, W30, and W31 between either the A17 or A19 MASS assembly and the A16
test set motherboard. Refer to those sections of this chapter that pertain to troubleshooting the source
section of the analyzer.