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5
Check Signal Generator Functionality
Use the following procedure to confirm that the signal generator powers up and the internal check identifies no errors. The
internal check evaluates the operation of the signal generator and returns an error message if it detects a problem.
NOTE
When the signal generator is first connected to ac line power, the error message
ERROR 514, Reference Oven Cold
occurs, which causes both the
OVEN COLD
annunciator and the
ERR
annunciator to turn on.
After approximately five minutes, the
OVEN COLD
annunciator automatically clears, but the
ERR
annunciator remains on until all errors are cleared from the error queue.
1. Turn on the signal generator and let it warm up for at least five minutes.
2. Run the signal generator self-test by pressing
Utility
>
Instrument Info/Help Mode
>
Self Test
>
Run Complete Self
Test
. Upon completion, a summary of the self-test will be displayed. Use the E8257D/67D PSG Service Guide to
troubleshoot any failures detected by the test.
NOTE
Some circuits may require up to 50 minutes to warm up before passing the self-test. If self-tests continue to
fail after 50 minutes of warm up, troubleshoot the instrument.
3. Check to see if the
ERR
annunciator is on.
•
If the
ERR
annunciator is on, review the error messages in the error queue by pressing
Utility
>
Error Info
. The first page of error messages in the error queue appears in the display text area. (Refer to the
signal generator error messages document for information about each error message.)
After resolving all problems causing errors, press
Clear Error Queue(s)
.
•
If the
ERR
annunciator is off, the signal generator functionality check has passed.
Содержание E8267D
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