Keysight E4980A Service Manual page 38

Troubleshooting
Troubleshooting Using Service Function
Test item
BIAS INTERFACE
HANDLER
INTERFACE
SCANNER
INTERFACE
Executing the self-test from the front panel
The self-test of the E4980A/ E4980AL can be executed from the front panel.
The steps are given below.
Self-test procedure
Step 4. Press [System] - SELF TEST
Step 5. Use the cursor key to highlight the selection item to the right of "TEST No." (1
in
Step 6. Select the number corresponding to the test that you want to perform by
using the INCR+ and DECR- softkeys.
Step 7. Press EXECUTE - TEST START (2 in
item.
Figure 4-5 Self-test screen and procedure
38
Description
Checks the bias interface. (Visual checks only; no result
shown on screen.)
Checks the handler interface. (Visual checks only; no result
shown on screen.)
Checks the scanner interface. (Visual checks only; no result
shown on screen.)
Figure 4-5)
Figure 4-5) to execute the selected test
Keysight E4980A/E4980AL Precision LCR Meter