In this informative tutorial, we'll guide you through the process of removing and replacing a faulty Power Supply Unit (PSU) in a PowerProtect DP4400 system. It's crucial to address PSU issues promptly to ensure your system's optimal performance.
Here is how to remove and replace a faulty PSU of a power protect DP 4400. The system needs one power supply unit for a normal operation. Since the DP 4400 is a power redundant system, remove and replace only one PSU at a time in a system that is powered on. Common alerts are symptom codes for a three and These events are triggered in case of a power supply failure. However, these can also occur on a normal power outage or maintenance.
Therefore, to ensure these are valid and not false positives block in to the appliance. AC mu I and check the health tab or use an SSH client to connect to the AC M and use the command show through power at the front of the cabinet. Locate the two slam latches on the left and right sides of the system.
Pull the slam matches up to release the system from the cabinet. If the slam matches do not disengage loosen the screw under each latch at the back of the system, the faulty PSU should show a blinking amber le for more information on PSU led codes, check the service procedures, guide disconnect the power cable from the power source and from the PSU you intend to remove, then remove the cable from the strap on the PSU handle, press and hold the release latch and slide the PSU out of the system by using the PSU handle.
Ensure that the new PSU is of the same type and got the same maximum output power, slide the PSU into the system until it is fully seated and a release latch snaps into place. Connect the power cable to the PC and plug the cable into the power outlet. Make sure to secure the cable using the strap on the PSU handle. Now slide the system back into the cabinet and secure the screws under the slam latches at the front of the system when installing hot swapping or hot, adding a new PSU wait for 15 seconds for the system to recognize the PSU and determine its status. The PSU redundancy may not occur until the discovery is complete. You can verify the successful replacement from the AC M using the show Fru Power command.
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