Troubleshooting The Test Set; Non-Rf Failures - Keysight Technologies U3022AE10 User's And Service Manual

U3022AE10

Troubleshooting the Test Set

Troubleshooting the Test Set
If the test set is not operating properly, use the following procedures to aid in
isolating the problem.
Refer to the Keysight PNA Series: Service & Support Home Page at
http://na.support.keysight.com/pna
To request service, please contact your local service center. In the US, call
800-829-4444. For a listing of service centers worldwide, please visit us at
https://service.keysight.com/infoline/public/default.aspx.
No operator serviceable parts inside. Refer servicing to qualified personnel. To
prevent electrical shock do not remove covers.

Non-RF Failures

Non RF failures are Power Supply, Fans, Control Lines, Status LEDs or
Interface not operating. Refer to
1. Verify that the front panel Power Switch is operational.The front panel Active LED
2. Turn on the Standby Switch. The rear panel and internal power supply fans should
3. AC Line voltage checks (remove AC power from the instrument).
4. Internal DC Power checks.
Keysight U3022AE10 User's and Service Guide
will be OFF unless the test set interface cable is connected and the test set is
addressed by the network analyzer.
be operational. If not, continue with step 3.
a. Ensure the proper AC Line voltage is present at the instrument line cord.
b. Remove the AC power cord from the instrument. Verify the instrument AC Line
Module fuse (2119-0709) and replace if necessary. Refer to
c. Verify the Internal AC lines fuse (2110-0342). Remove the instrument bottom
cover. Near the rear panel are two fuse holders, verify the fuses and replace if
necessary. See Figure 71 on page
a. Set the front panel switch to the Standby position. No fans or indicator lights
should be operational
b. Remove the top cover.
c. Set the Standby switch to the ON position. Both the rear panel and internal
power supply fans should be operational. Verify that the DC indicator LEDs are
ON as shown in Figure 63 on page
for further information.
Figure 64 on page 78.
88.
78.
Figure 6 on page 20.
77