Agilent Technologies 4072A Advanced Pre-Installation Manual page 79

4. Check the emergency breaker, disconnect device, LINE indicator, system switch, and controller power outlets
as follows:
a. Set the power board breaker to the on position.
b. Set the emergency breaker to the on position.
c. Rotate the door lock release screw counterclockwise, and then set the disconnect device to the on position.
(pozidrive screwdriver)
d. Confirm if the over voltage LED turns on. If so, check the source power line.
e. Confirm that the LINE indicator on the EMO panel turns on.
f. Press the system switch, and confirm that the green LED in the system switch turns on.
NOTE
Do steps c through f within 20 seconds. After 20 seconds, the cabinet fan error LED turns on. To
recover this, set the disconnect device to the off position and repeat steps c through f.
g. Confirm that the proper voltage is applied to the controller power outlets, using a hand-held multimeter.
h. Confirm that no voltage is being applied to the instrument power outlets.
i. Confirm that no voltage is being applied to the DVM and CMU power outlets.
5. Check the INSTRUMENT POWER ON/OFF switches, instrument power outlets, DVM and CMU power
outlets, and power outlet protector as follows:
a. Press the INSTRUMENT POWER ON switch on the EMO panel.
b. Confirm that the green LED in the INSTRUMENT POWER ON switch turns on.
c. Confirm that the proper voltage is applied to the instrument power outlets using a hand-held multimeter.
d. Confirm that the proper voltage is applied to the DVM and CMU power outlets using a hand-held
multimeter.
e. Press the power outlet protector to set it to the out position.
f. Confirm that no voltage is applied to the instrument power outlets.
g. Confirm that no voltage is applied to the DVM and CMU power outlets.
h. Press the power outlet protector to set it to the in position.
i. Press the INSTRUMENT POWER OFF switch on the EMO panel.
j. Confirm that the green LED in the INSTRUMENT POWER ON switch turns off.
k. Confirm that no voltage is applied to the instrument power outlets.
l. Confirm that no voltage is applied to the DVM and CMU power outlets.
m. Press the INSTRUMENT POWER ON switch.
Appendix A
Agilent 4072/4073 Preinstallation Guide, Edition 4
Confirming the System Power Safety
Confirming PDU and EMO Operation
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