If You Encounter A Problem; Power-Up Problems; Line Fuse Removal And Replacement - HP 8753E Installation And Quick Start Manual

Quick Start: Learning How to Make Measurements

If You Encounter a Problem

If You Encounter a Problem
If you have difficulty when installing or using the HP 8753E, check the following list of
commonly encountered problems and troubleshooting procedures. If the problem that you
encounter is not in the following list, refer to additional sections entitled "If You Have a
Problem" in the HP 8753E Network Analyzer User's Guide.

Power-up Problems

If the HP 8753E display does not light:
Check that the power cord is fully seated in both the main power receptacle and the
analyzer power module.
Check that the AC line voltage selector switch is in the appropriate position
(230 V/115 V) for your available power supply.
Check that the analyzer AC line fuse is not open.
WARNING For continued protection against fire hazard, replace the fuse
with the same type and rating.
Refer to Figure 2-17
continuity light or an ohmmeter to check the fuse. An ohmmeter should read very close
to zero ohms if the fuse is good. The 3 A, 250 V fuse is HP part number 2110-0780.
Contact the nearest Hewlett-Packard office for service, if necessary. A list of
Hewlett-Packard sales and service offices is provided at the end of this guide.
WARNING The power cord is connected to internal capacitors that may
remain live for 10 seconds after you disconnect the cord from
the power supply.
Figure 2-17

Line Fuse Removal and Replacement

52
to remove the fuse from the power module. You can use a
Chapter 2