1-7
Initial Troubleshooting and Overall Block Diagram
Initial Troubleshooting
Step 2: Power On the Signal Generator and Check for Error Messages
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. Switch on the signal generator. Let the signal generator warm up for at least five minutes.
NOTE: For signal generators with Option 1E5, ERROR 514, Reference Oven Cold will
occur whenever the signal generator is powered up within five minutes of being connected
to AC line power. The OVEN COLD annunciator and the ERR annunciator will both turn
on
. The OVEN COLD annunciator will automatically clear after approximately five
min
utes. The error queue cannot be cleared, however, until the OVEN COLD annunciator
has turned off.
2. Cycle the power to the signal generator and verify that the green LED on both the front and rear panels is lit. Refer
to Figure 1-1.
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
Utility, Error Info,
View Next Error Message. The first error message in the queue will be shown in the text area of the display. Refer
to Chapter 6, "Error Messages," for descriptions of error messages.
If there is more than one error message (each message will be designated as 1 of n), continue p
ressing the
View Next Error Message softkey until you have seen and recorded all of the messages.
5. If you were able to resolve all of the error messages, press
Utility, Error Info, Clear Error Queue(s) to delete the
list of error messages.
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