Functionality Check - HP ESG E4420B Series Installation Notes

Functionality Check

This procedure verifies that the signal generator powers up and that the internal instrument check
identifies no errors. The internal check evaluates the correctness of operation and returns an error
message if a problem is detected.
1. Turn on power to the signal generator by pressing the power switch. Let the instrument warm up
for at least five minutes.
For instruments with Option 1E5, the error message ERROR 514, Reference Oven Cold
NOTE
will occur whenever the signal generator is first connected to AC line power. The OVEN COLD
annunciator and the ERR annunciator will both turn on. The OVEN COLD annunciator
automatically clears after approximately 5 minutes. The error queue cannot be cleared,
however, until the OVEN COLD annunciator turns off.
2. Cycle the power to the signal generator. The green LED should be lit and the instrument performs a
check.
3. When the display is lit, check to see if the ERR annunciator is turned on.
4. If the ERR annunciator is turned on, review the error messages in the queue by pressing
>
Error Info View Next Error Message
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), continue
pressing the
View Next Error Message
5. When you have resolved all of the error messages, press
4
All manuals and user guides at all-guides.com
. The first error message in the queue will be shown in the text
softkey until you have seen all of the messages.
to delete the messages.
Clear Error Queue(s)
Installation Note E4400-90235
>
Utility