Repairing And Recovering Option Data - Keysight N5227A Service Manual

PNA Series Microwave Network Analyzers
N5227A

Repairing and Recovering Option Data

License, option, and model number data are stored in an EEPROM on the frequency reference board and
written into the gen.lic file on the hard disk drive. If the data stored in either of these items is lost, it can be
recovered from the other item.
If the data on both the hard disk drive and the frequency reference board is lost, it can not be recovered.
Contact Keysight for assistance. Refer to
Recovery of Data After Repair
• If the frequency reference board is replaced, use the
as a result of the repair:
1. Select from the
Repair
2. Click the
Freq Ref board has been replaced
3. Click
Begin Repair
• If the hard disk drive is replaced, a new gen.lic file is automatically created when the
application starts, by retrieving the data from the EEPROM.
Recovery of Data if Option or Model Numbers are Incorrect
If the analyzer option or model numbers are not listed correctly on the analyzer display, in either the Option
Enable Dialog Box or the About Network Analyzer display, you should regenerate the options license file,
gen.lic:
1. Exit the
Network Analyzer
2. Remove (or rename) the existing gen.lic file:
a. Open
Windows Explorer
b. Delete (or rename) gen.lic.
3. Exit the
Windows Explorer
4. Open the
Network Analyzer
5. Check the option listing:
a. Press UTILITY System
b. Press UTILITY System
6. If the options are still not listed correctly, contact Keysight for assistance. Refer to
on page 2-6.
Service Guide N5227-90001
"Contacting Keysight" on page
menu bar (see
Option Enable
check box.
. The data is written from the gen.lic file into the EEPROM.
application.
and navigate to C:\Program Files\Keysight\Network Analyzer.
application.
application. The application will generate a new gen.lic file when it starts.
Service
, then , then
Help
, then , then
General Purpose Maintenance Procedures
2-6.
selection to recover data that has been lost
Repair
Figure 8-6 on page
Option Enable
or
About NA...
.
Option Enable Utility
8-13).
Network Analyzer
"Contacting Keysight"
8-15