To Check The Gpib; To Check The Usb (Usbtmc) Interface Card; To Check The Handler Interface Function (Option 201 Only) - Keysight E4980A Service Manual

Troubleshooting
Function Specific Troubleshooting
Figure 4-9 Example of no response for ping command

To Check the GPIB

Procedure
Perform the E4980A/ E4980AL performance test program. If the controller
cannot detect the E4980A/ E4980AL, the problem seems in the PPMC PCA or
the connection of the GPIB cable.

To Check the USB (USBTMC) Interface Card

Procedure
Connect the USB cable between the controller PC and the E4980A/ E4980AL.
Turn the controller PC on. If the E4980A/ E4980AL cannot detect the controller
PC, the problem seems in the USB (USBTMC) Interface of the PPMC PCA is
suspected.

To Check the Handler Interface Function (Option 201 only)

Perform this test only when troubleshooting the Option 201 Handler Interface
Board. This test verifies the handler interface functions.
Equipment
Table 4-4 Equipment List of the Handler Interface Function Test (Option 201 only)
Handler Simulator
52
If the E4980A/ E4980AL doesn't return the response, the external
computer displays a message of "Request timed out" as shown in
. In this case, a failure in the PPMC PCA is suspected.
Figure 4-9
Keysight p/n 04278-65001
Keysight E4980A/E4980AL Precision LCR Meter