Service and Maintenance 8
E364xA User’s and Service Guide 191
– Calibration Error Messages
Component drawings
– Component Locator Diagram
Operating Checklist
Before returning your power supply to Keysight for service or repair, check the
following items:
Is the power supply inoperative?
– Verify that the AC power cord is connected to the power supply.
– Verify that the front panel power switch has been pushed.
– Verify that the power-line fuse is installed and not open
(refer to “Converting line voltage” on page 36).
– Verify the power-line voltage setting
(refer to “Connecting power to the power supply” on page 33).
Does the power supply fail the self-test?
– Verify that the correct power-line voltage is selected
(refer to “Connecting power to the power supply” on page 33).
– Remove all load connections to the power supply. (Ensure that all terminal
connections are removed while the self-test is performed.