Power Meter Operation
Operator Maintenance
2-80 Agilent E4419B User’s Guide
Operator Maintenance
This section describes how to replace the power line fuse and clean the
power meter. If you need additional information about replacing parts or
repairing the power meter, refer to the Agilent E4418B/E4419B Service
Guide.
To clean the power meter, disconnect it’s supply power and wipe with a
damp cloth only.
The power line fuse is located within the power meter’s fuse holder
assembly on the rear panel. For all voltages the power meter uses a 250 V,
F3.15AH, 20mm fast blow fuse with high breaking capacity (Agilent part
number 2110-0957).
Note The power meter also has an internal fuse. If you suspect that this
fuse needs replaced it must be done by trained service personnel.
Please refer to “Returning Your Power Meter for Service”, on
page 2-86.
Replacing the Power Line Fuse
1. Remove the power cord from the power meter.
2. Slide the fuse holder assembly from the rear panel as shown in
Figure 2-24.
3. Install the correct fuse in the “In line” position as shown in
Figure 2-24. (A spare fuse can be stored in the fuse holder
assembly.)
4. Replace the fuse holder assembly in the rear panel.
Figure 2-24: Replacing the Fuse
In line fuse
Spare fuse
HP4402.book Page 80 Thursday, November 30, 2000 1:39 PM
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