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Power Meter Operation
Contacting Hewlett-Packard
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
Hewlett-Packard 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 messages. Refer to
Chapter 4 for further information.
•
Check operation by performing the self tests.
•
Check with a different power sensor.
Instrument serial numbers
Hewlett-Packard makes frequent improvements to its products to enhance
their performance, usability and reliability. Hewlett-Packard service
personnel have access to complete records of design changes for each
instrument, based on the instruments' serial number and option
designation.
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HP EPM-441A User's Guide
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