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8-14 Installation and Troubleshooting Guide
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To troubleshoot the power supply, perform the following steps:
1. Are there any indicator lights illuminated on any module?
No. Perform the following steps:
a. Verify that the AC cable to the power supply is properly inserted into the
power supply. First turn the power supply switch off, then verify proper inser-
tion by completely pulling the AC cable from the power supply, reinserting it
firmly and turning the power switch back on. If this resolves the problem,
end troubleshooting.
b. Verify that the AC cable is plugged into an active AC source at the other end.
First turn off the power supply switch, then turn it back on when the AC
sources are confirmed. Verify that any fuses or breakers to which the power
source may be connected are not disabling the AC power source. If this
resolves the problem, end troubleshooting.
c. Check that the power supplies are fully seated. First turn the power supply
switch off. Check seating by completely pulling the power supply from the
system, then reinserting it firmly. Turn the power supply switch back on. If
this resolves the problem, end troubleshooting.
d. Verify that the power supply switch in the ON (1) position for both power
supplies. If this resolves the problem, end troubleshooting.