HP 4062UX - Testing Power Distribution Unit (PDU) (HP 4062 UX Only)

10. Press the LINE 4
0
5 switch after turning on a system instrument. The instrument should
turn o.
11. Press the LINE 4
1
5 switch. The instrument should turn on.
12. Press the EMERGENCY OFF switch. The instrument should turn o.
13. Check conductivity of the Ext Out 1 and 2 terminals in the emergency o condition by
using a resistance meter. The resistance b etween the Ext Out 1 terminals should indicate
innity, and the resistance between the Ext Out 2 terminals should b e near 0 .
14. Press the LINE 4
1
5 switch. Check that the green indicater of the LINE 4
1
5 switchdoes
not turn on.
15. Set the LINE switch of the instrument to the OFF condition.
16. Release the lo ck of the EMERGENCY OFF switchby using the key.
17. Turn on and o one of the system instruments. Note that the selected instrumentmust
originally function prop erly. The instrument should not turn on.
18. Press the LINE 4
1
5 switch and turn on one of the system instruments.
19. Loosen the Ext In terminals and remo
ve the shorting lead connected b etween the Ext In
terminals. The instrument should turn o.
20. Turn o the instrument and the circuit breaker for the emergency o unit.
21. Reinstall the shorting lead to the Ext In terminals.
22. Turn on the circuit breaker for the emergency o unit.
23. Press the LINE 4
1
5 switch.
Testing Power Distribution Unit (PDU) (HP 4062UX Only)
If your system is furnished with an emergency o unit, skip this test.
This test checks the following item:
Operation of circuit breaker
Use the following pro cedure to check the test item ab ove:
1. Conrm the p ower switch of the system cabinet and the line switches of all the system
instruments are set to OFF. The p ower switch of the system cabinet is lo cated at the
right-front of the PDU. See the Operation Manual of each instrument for the lo cation of
each line switch.
2. Connect the main p ower cable to the power source at your site.
3. Turn on and o one of the system instruments. Note that the selected instrumentmust
originally function prop erly. The instrument should not turn on.
4. Set the SYSTEM ON/OFF switch of the system cabinet to ON.
5. Turn on one of the system instruments. Note that the selected instrumentmust originally
function properly. The instrument normally should turn on.
System Installation 4-45