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Service Guide E8364-90001
Troubleshooting
PNA Series Microwave Network Analyzers
Power Up Troubleshooting
E8362A, E8363A, E8364A
Power Up Troubleshooting
WARNING
Immediately unplug the instrument from the ac power line if the
unit shows any of the following symptoms:
• Smoke, arcing, or unusual noise from inside the analyzer.
• A circuit breaker or fuse on the main ac power line opens.
Check your network analyzer for evidence that it is powering up correctly. Perform the
following steps and make sure that the analyzer is displaying correct behavior as noted in
the following steps.
Step 1.
Disconnect all peripherals and plug in the network analyzer. Before the analyzer
is powered on, the line switch should glow yellow and no other lights should be
on.
Step 2.
Turn on the network analyzer.
• The line switch should glow.
• The fans should be audible.
• The display should flash and then show the hardware boot-up sequence. This
process checks the RAM and communication with the hard disk drive. These
checks return an error message if a problem is detected.
• The Windows 2000 operating system should start.
• The network analyzer measurement interface should open with an S
11
measurement displayed.
Step 3.
If the analyzer powers up correctly, continue troubleshooting with
Step 4.
If the analyzer does not power up correctly, follow these troubleshooting steps:
• If the line switch does not glow or the fans are not operating (audible), go to
“Power Supply Check” on page 4-7
.
• If you cannot hear the fans operating, go to
“If the Fans Are Not Operating” on
• If the line switch glows green and the fans are operating (audible), but the
display remains dark, go to
“Troubleshooting LCD Display Problems” on
• If the instrument appears to abort the network analyzer measurement
interface process, contact Agilent. Refer to
Summary of Contents for E8362A
Page 11: ...Service Guide E8364 90001 1 1 1 Safety and Regulatory Information ...
Page 19: ...Service Guide E8364 90001 2 1 2 General Product Information ...
Page 29: ...Service Guide E8364 90001 3 1 3 Tests and Adjustments ...
Page 79: ...Service Guide E8364 90001 4 1 4 Troubleshooting ...
Page 139: ...Service Guide E8364 90001 5 1 5 Theory of Operation ...
Page 169: ...Service Guide E8364 90001 6 1 6 Replaceable Parts ...
Page 215: ...Service Guide E8364 90001 7 1 7 Repair and Replacement Procedures ...
Page 287: ...Service Guide E8364 90001 A 1 A Error Terms ...
Page 303: ...Service Guide E8364 90001 B 1 B Option Enable Utility ...
Page 309: ...Service Guide E8364 90001 C 1 C Firmware Upgrades ...
Page 313: ...Service Guide E8364 90001 D 1 D Operating System Recovery ...