Keysight VXI Bus 75000 C Series, Service Manual

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Keysight E1463A 32-Channel Form C Switch Service Guide 59
Troubleshooting Service
Self-Test Error Codes
Table 4-4 shows the self-test error codes for the Switch Module. The meaning of
each code is given in the right-hand column. If a self-test failure occurs, cycle
power and repeat the test. If the problem reoccurs, the device may need repair.
*ss = card number (with leading zero deleted)
Disassembly
Use the following procedures to disassemble the Keysight E1463A Switch
Module. For disassembly refer to Figure 4-1.
Switch Module Disassembly
1
To remove the covers:
–
? Remove the nine T10 Torx screws from the top cover as shown.
–
? Lift the top cover off of the module.
–
? Turn the assembly over and lift off the bottom cover.
2
To remove the front panel:
–
? Remove the two T8 Torx screws from the front panel handles as shown.
–
? Remove the T8 Torx screw holding the panel to the A1 PC Assembly as
shown.
– ? Lift the front panel from the A1 assembly.
Table 4-9
Self-test Error Codes
Error* Description
+0
+ss01
+ss02
+ss03
+ss10
+ss11 Self-test passes
Firmware error
Bus error (communications problem with card) Bad ID
information in ID register
Interrupt expected but not received
Busy bit was not held ≈10.5 to 18.5 msec