Agilent Technologies Agilent E5250A - Manual (Page 54)

3-4 Agilent E5250A User’s Guide, Edition 11
Executing Self-Test and Leak Test
Executing Self-Test
To Execute Self-Test (Standalone)
Controller Test is executed automatically when you turn on the E5250A. You
execute the Relay Test by pressing the
Local/Self Test key on the E5250A front
panel.
Executing the Controller Test
1. Turn on the E5250A.
2. Wait until the LED in the Local/Self Test key turns off.
If System Fail LED or Fail LED stays on after executing the Controller Test, contact
your nearest Agilent Technologies Service Center.
Executing the Relay Test
Requirements:
• Relay Test Adapter (E5250A-301)
• BNC Short Caps (3 caps are furnished with each E5255A)
Procedure:
1. Disconnect all cables from the E5250A input connectors.
2. Open all outputs of the plug-in cards as follows: If cable is connected to output
connector of plug-in card, open output at DUT end of cable. If end of cable is
Kelvin connection, disconnect the cable or make non-Kelvin connection at end
of cable.
3. Attach the Relay Test Adapter to the E5250A input connectors as shown in
Figure 3-1.
4. Set switch on the Relay Test Adapter to Relay Test position.
5. For each E5255A card installed in the E5250A:
a. Disconnect any cables from the BIAS INPUT connectors of the E5255A.
b. Connect a BNC Short Cap to each E5255A BIAS INPUT connector.
6. (If Remote LED is on, press the Local/Self Test key to return to Local control.
The Remote LED should turn off.)
7. Press the Local/Self Test key. The Relay Test executes.
8. Wait until the LED in Local/Self Test key turns off.