2 Service and Maintenance
108 Keysight U3606B Service Guide
Fuse Replacement
To replace the power line fuse
The power line fuse is located within the U3606B fuse-holder assembly on the
rear panel. The U3606B is shipped from the factory with a power-line fuse
installed. The supplied fuse is a time-lag, low-breaking, 2 A/250 V, S/B 5×20 mm
fuse, Keysight part number A02-62-25026-2U. If you are certain that the fuse is
faulty, replace it with one of the same size and rating.
1 Disconnect power cord. Using a flat blade screwdriver, gently pry open the
fuse holder assembly as shown below.
2 Remove the fuse holder assembly from the rear panel.
3 Remove the faulty power line fuse and replace it with a new power line fuse in
the fuse holder assembly.
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