34410A/11A/L4411A User’s Guide 25
Quick Start 1
Other Basics of Operation
This section covers basic troubleshooting and general use.
If the Multimeter Does Not Turn On
Use the following steps to help solve problems you might encounter when
turning on the multimeter. If you need more help, see the Service Guide for
instructions on returning the multimeter to Agilent for service.
1 Verify that there is ac power to the multimeter.
First, verify that the multimeter’s Power switch is in the “On” position. Also,
make sure that the power cord is firmly plugged into the power module on the
rear panel. You should also make sure that the power source you plugged the
multimeter into is energized.
2 Verify the power–line voltage setting.
The line voltage is set to the proper value for your country when the
multimeter is shipped from the factory. Change the voltage setting if it is not
correct. The settings are: 100, 120, 220, or 240 Vac (for 230 Vac operation, use
the 220 Vac setting).
See “To Replace the Power-Line Fuse (34410A/11A)” on page 26 if you need to
change the line–voltage setting.
3 Verify that the power–line fuse is good.
The multimeter is shipped from the factory with a power–line fuse installed.
The supplied fuse is a 250 mA, 250V, slow–bl
ow, 5x20mm fuse, Agilent part
nu
mber 2110–0817. If you determine that the fuse is faulty, replace it with one
of the same size and rating.
See “To Replace the Power-Line Fuse (34410A/11A)” on page 26 if you need to
replace the power–line fuse.
The current input path is also fused. The supplied fuse is a 3 A, 250V,
fast-acting, 5x20mm fuse, Agilent part number 2110–0780, and is housed
in a standard screw–in fuse holder on the left side of the rear panel. If you
determine that the fuse is faulty, replace it with one of the same size and
rating.
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