A power-on self-test occurs automatically when you turn the unit on. This assures you that the instrument is
operational. If self-test fails, or if other operating problems occur with your instrument, the front panel error
indicator (!Err) appears at the upper top of the display.
View the error log
Press Utilities > Error to display the error log. If there are more than 10 errors on the display, press Next to scroll to
the next page.
Press Back or [Meter View] to return to the meter-view display.
– Errors are stored in the order they are received. The error at the end of the list is the most recent error.
– If there are more than 20 errors in the queue, the last error stored is replaced with -350,"Queue overflow". No
more errors are stored until you remove errors from the queue. If there are no errors, the instrument responds with
+0,"No error".
– Except for self-test errors, errors are cleared when exiting the Error Log menu or when cycling power.
If you suspect that there is a problem with the power supply, refer to the "Troubleshooting" section in the Service
Guide.
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Keysight E36200 Series User's Guide
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