5. Gently pull the failed power supply completely out of the unit.
Figure 2.
Removing the Power Supply
6. Orient the replacement power supply so that the cord receptacle is at the bottom of the unit.
Figure 3.
Aligning the Power Supply
7. Gently push the replacement power supply into the unit until it locks into place.
8. Connect the power cord for the replacement power supply as follows:
a. Plug the power cord into the receptacle on the replacement power supply.
b. Plug the power cord into the power source.
9. Verify that the green indicator is lit on the newly installed power supply. Also, the power supply alarm will stop.
WARNING:
For safety, you must plug the power cord into the power supply before plugging it into the wall socket or other power source.
CORD RECEPTACLE