Power Meter Operation 2
E4418B Power Meter User’s Guide 101
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 its 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, 20 mm fast blow fuse with high breaking capacity
(Agilent
part number 2110- 0957).
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- 23.
3 Install the correct fuse in the “In line” position as shown in
Figure 2- 23. (A spare fuse can be stored in the fuse holder assembly.)
4 Replace the fuse holder assembly in the rear panel.
The power meter also has an internal fuse. If you suspect that this fuse needs to be
replaced, it must be done by trained service personnel. Please refer to
“Returning Your
Power Meter for Service” on page 107.
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