Does the instrument fail self-test?
A power-on self-test occurs automatically when you turn the unit on. You can also initiate a self-test
by sending the *TST? query.
If self-test fails, the front panel ERR indicator comes on. Press the Error key to view the error log. Refer
to Self-test Errors for a list of self test error codes.
l Remove all external connections to the instrument.
l Check that modules are installed next to each other, starting with slot 1. If there are any empty
slots (or filler modules) between the power modules, the power system will not operate.
l Check that the mainframe has the latest firmware installed.
l Turn off the unit and cycle power to run self-test again.
If the supply passes self-test and there are no obvious faults, perform the Verification Procedures to
determine if any functions are not calibrated, or are not operating properly.
Keysight N6700C Operating and Service Guide 415
7 Service and Maintenance
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