Quick Start 1
U8001A/U8002A User’s and Service Guide 5
If the Power Supply Does Not Turn On
Use the following steps to help solve problems you might
encounter when turning on the instrument. If you need more
help, refer to Chapter 5 for instructions on returning the
instrument to Agilent Technologies for service.
1 Verify that there is ac power to the power supply.
First, verify that the power cord is firmly plugged into the
power receptacle on the rear panel of the power supply. You
should also make sure that the power source you plugged the
power supply into is energized. Then, verify that the power
supply is turned on.
2 Verify the power- line voltage setting.
The line voltage is set to the proper value for your country
when the power supply is shipped from the factory. Change
the voltage setting if it’s not correct. The settings are: 100,
115, or 230 Vac.
3 Verify that the correct power- line fuse is installed.
The correct fuse is installed for your country when the power
supply is shipped from the factory. See the table below to
replace the fuse for your power supply.
Figure 1-1 List of Rated Fuse for Line Voltages
Model Agilent Part Number Part Description
U8001A 2110-0014
2110-0006
Fuse 4.0 A T for 100 and 115 Vac
Fuse 2.0 A T for 230 Vac
U8002A 2110-0722
2110-1425
Fuse 6.25 A T for 100 and 115 Vac
Fuse 2.8 A T for 230 Vac
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