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Chapter 12 243
12 Troubleshooting
This chapter provides basic troubleshooting information for Agilent PSG signal generators. If you do
not find a solution here, refer to the E8257D/67D PSG Signal Generators Service Guide.
NOTE If the signal generator displays an error, always read the error message text by pressing
Utility > Error Info.
• “RF Output Power Problems” on page 243
• “No Modulation at the RF Output” on page 247
• “Sweep Problems” on page 248
• “Data Storage Problems” on page 249
• “Cannot Turn Off Help Mode” on page 250
• “Signal Generator Locks Up” on page 250
• “Error Messages” on page 251
• “Contacting Agilent Sales and Service Offices” on page 253
• “Returning a Signal Generator to Agilent Technologies” on page 253
RF Output Power Problems
Check the RF ON/OFF annunciator on the display. If it reads RF OFF, press RF On/Off to toggle the RF
output on.
No RF Output Power when Playing a Waveform File
Preset the signal generator, then replay the waveform file.
If a header file is not specified for a waveform, the signal generator uses a default header file with
unspecified settings. If you play a waveform file that has unspecified signal generator settings
(settings not saved to the file header, see page 86), the signal generator will use the header file
settings from the previously played file. If the previous header file had a marker routed to RF
blanking, the RF output power will be blanked. Preset the signal generator to return the RF blanking
marker function to its default state—off). Refer to the E8257D/67D PSG Signal Generators Key
Reference, Marker section, for more information.
NOTE If the default marker file is used, ensure that the Pulse/RF Blank softkey is set to None. Markers
may have been set to Pulse/RF Blank by a previous file header.