3-5
Troubleshooting
Error Messages
Error Messages
If an error condition occurs in the signal generator, it will always be reported to
both the front panel display error queue and the SCPI (remote interface) error
queue. These two queues are viewed and managed separately.
The Front Panel Error Queue
This queue is designed in a circular (rotating) fashion. It can hold up to 30 error
messages. If the queue is full, and additional error messages arrive, the oldest
errors are lost. The previously read messages are not cleared from the queue; they
remain in the queue until they are overwritten by a new error message.
The front panel error queue information can be accessed by pressing
Utility, Error
Info. From the Error Info menu, you may choose from View Previous Error
Message
, View Next Error Message, or Clear Error Queue(s). You can also use the
RPG and the arrow keys to review the messages/
If there are any unviewed messages in the front panel error queue, the
ERR
annunciator will be activated on the signal generator’s display. you can optionally
rotate the RPG or use the arrow keys to view the error messages. To empty the
queue, press
Utility, Error Info, Clear Error Queue(s).
There are some special error types called permanent errors. These include
unlock, ovencold, hi/lo, etc. Permanent errors remain in the error queues
until the error condition is cleared. Pressing
Utility, Error Info, Clear Error Queue(s)
will empty the front panel error queue, but the permanent errors will be
re-reported if the error condition(s) still exist.
The SCPI Remote Interface Error Queue
This queue is constructed in a linear first-in/first-out fashion. It can hold up to 30
error messages. As errors and events are detected, they are placed in the queue.
Unlike the front panel error queue, errors in this queue are not overwritten by the
latest incoming error messages. If the queue overflows, the last error in the queue
is replaced with the error:
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