Installation Note E4400-90214 7
Functionality Check
This procedure verifies that the signal generator powers up and that the internal instrument check
does not identify any errors. The internal check returns an error message if a problem is detected.
1. Turn the signal generator’s power switch on. The green LED will light. Let the signal generator
warm up for 5 minutes.
2. Cycle the power to the signal generator. The green LED lights again and the signal generator
performs a check.
3. When the display is illuminated, check to see if the ERR annunciator is displayed.
NOTE For signal generators with Option 1E5, ERROR 514,Reference Oven Cold will
occur whenever the signal generator is first connected to the AC line power. This
error cannot be cleared from the error queue until the internal reference has
warmed up (approximately 5 minutes).
4. If the ERR annunciator is displayed, review the error messages in the queue by pressing
Utility >
Error Info. The first error message in the queue will be shown in the text area of the display. Refer to
the service guide for information about the error message.
If there is more than one error message (each message will be designated as 1 of n, 2 of n, etc.),
continue pressing the
View Next Error Message softkey until you have seen all of the messages.
5. When you have resolved all of the error messages, press
ClearErrorQueue(s) to delete the messages,
then restart this procedure at step two.
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