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Error Messages
When the front-panel ERROR annunciator turns on, one or more command syntax
or hardware errors have been detected. A record of up to 20 errors is stored in the
power supply's error queue. The power supply beeps once each time an error is
generated.
• Errors are retrieved in first-in-first-out (FIFO) order. The first error returned is the
first error that was stored. When you have read all errors from the queue, the ERROR
annunciator turns off.
• If more than 20 errors have occurred, the last error stored in the queue (the most
recent error) is replaced with -350, “Queue overflow”. No additional errors are stored
until you remove errors from the queue. If no errors have occurred when you read the
error queue, the supply responds with + 0, “No error” over the remote interface or
“NO ERRORS” from the front panel.
• The error queue is cleared when power has been off or after a *CLS (clear status)
command has been executed. The *RST (reset) command does not clear the error
queue.
• Front-panel operation:
If the ERROR annunciator is on, press the key repeatedly to read the errors
stored in the queue. The error queue is cleared when you read all errors.
• Remote interface operation:
SYSTem:ERRor? Reads one error from the error queue
Errors have the following format (the error string may contain up to 80 characters).
-113,
"Undefined header"
ERROR -113
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