Keysight N1913, Service Manual

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7 Contacting Keysight Technologies
136 Keysight N1913/1914A Service Guide
Check the Basics
Problems can be solved by repeating what was being performed when the
problem occurred. A few minutes spent in performing these simple checks may
eliminate time spent waiting for instrument repair. Before calling Keysight
Technologies or returning the power meter for service, please make the following
checks:
– 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 message.
– Check operation by performing the self tests.
– Check with a different power sensor.