User`s guide

10 Maintenance
246 N1911A/1912A P-Series Power Meters User’s Guide
• Check that the line socket has power.
• Check that the power meter is plugged into the proper ac power
source.
• Check that the power meter is switched on.
• Check that the line fuse is in working condition.
• Check that the other equipment, cables, and connectors are connected
properly and operating correctly.
• Check the equipment settings in the procedure that was being used
when the problem occurred.
• Check that the test being performed and the expected results are
within the specifications and capabilities of the power meter.
• Check the power meter display for error messages.
• Check operation by performing the self tests.
• Check with a different power sensor.
Instrument serial numbers
Agilent Technologies makes frequent improvements to its products to
enhance their performance, usability and reliability. Agilent Technologies
service personnel have access to complete records of design changes for
each instrument. The information is based on the serial number and
option designation of each power meter.
Whenever you contact Agilent Technologies about your power meter have a
complete serial number available. This ensures you obtain the most
complete and accurate service information. The serial number can be
obtained by:
• interrogating the power meter over the remote interface using the
*IDN? command.
• from the front panel by pressing , , , .
• from the serial number label.
1 of 2
Service
Version