Rockwell Automation Publication 1756-IN619A-EN-P - April 2016 9
ControlLogix Power Supply
Remove the Protective Label
Remove the protective label from the top of the power supply.
Troubleshoot the Power Supply
All ControlLogix power supplies have a green status indicator that remains ON during normal operation.
If the indicator turns OFF during operation, take these steps to troubleshoot the power supply.
1. Verify that the line voltage is within the specified range.
2. If the indicator remains OFF, turn off the power.
3. Loosen the screws that secure the power supply to the chassis.
See step 4 on page 7
for the location of the screws on the power supply.
4. Slide the power supply out so that the rear connector is disconnected.
5. Turn on the power.
6. Follow these steps if the indicator does the following:
•Turns ON:
a. Verify that the Backplane Power Load of the system is within the output rating of the power supply.
b. Turn off the power.
ATTENTION: Make sure the chassis is mounted and all panel fabrication is complete before you remove the protective label. This label protects the power supply
from metal shavings falling inside the power supply and damaging it during operation.
Status Indicator
Status Indicator
Standard Power Supply
Slim Power Supply
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