Keysight E5071C ENA Service Manual page 77

Troubleshooting
Troubleshooting Using Diagnostics Test
Table 4-1 Power on Self Test Error Message
Error Message
Power on test failed
(A2-1 not found)
Power on test failed
(A2-2 not found)
Power on test failed
(A2-3 not found)
Power on test failed
(A2-4 not found)
Power on test failed
(A86 not found)
Power on test failed
(A86 DC-bus, 0x%08X)
Power on test failed
(A3 not found)
Power on test failed
(A3 DC-bus, 0x%08X)
Power on test failed
(A4 not found)
Power on test failed
(A23 not found)
Table 4-2 Logic check for 4-ports E5071C
Attempt RCV1 RCV2
1 x
2 x
3 x x
4 x x
5
6 x
Keysight E5071C ENA Network Analyzers
Meaning
No receiver board is found on Board ID check or
Port-1 receiver board ID does not match
frequency option
Only 1 receiver board is found on Board ID check
or Port-2 receiver board ID does not match
frequency option
Only 2 receiver boards are found on Board ID
check or Port-3 receiver board ID does not
match frequency option
Only 3 receiver boards are found on Board ID
check or Port-4 receiver board ID does not
match frequency option
A86 Doubler is not found on Board ID check or
A3 Vernier is found with Over 8.5GHz option
DC-BUS Test on A86 Doubler failed
A3 Level Vernier is not found on Board ID check
DC-BUS Test on A3 Level Vernier failed
A4 distributor is not found on Board ID check
A23 Handler I/O is not found on Board ID check
RCV3 RCV4 Synth-Source
x x x
x x x
x x
x x
x x x
x x
Synth-Local A83 Level
Vernier
x x
x x
x x
x x
x x
x x
Error
Priority
7
8
9
10
11
12
13
14
15
16
Corresponding error
message
A2-4 not found
A2-4 not found
A2-4 not found
A2-4 not found
A2-3 not found
A2-3 not found
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