Keysight E3632A, Service Manual

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2 Service
60 Keysight E3632A Service Guide
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 is depressed.
– Verify that the power-line fuse is installed:
– Use the 4 AT, 250 V fuse for 100 Vac or 115 Vac operation.
– Use the 2.5 AT, 250 V fuse for 230 Vac operation.
– Verify the power-line voltage setting.
– Refer to the
E3632A User’s Guide .
Does the power supply fail self-test?
– Verify that the correct power-line voltage is selected.
– Refer to the E3632A User’s Guide.
– Remove all load connections to the power supply.
– Ensure that all terminal connections are removed while the self-test is
performed