Identifying a failed fan from the ACM
If a fan is suspected of failing, you can check the web UI or use the FRU command line
verification from the ACM.
Procedure
1. Access the web UI and check for alerts in the Health screen. Click an alert for
more details.
2. From the ACM, use SSH to connect to the ACM command line by typing: ssh
[administrator name]-dp4400-[ACM url]
For example: ssh admin@acme-dp4400-ACM.lab.acme.com
Once connected, the screen displays a command line corresponding to the
ACM.
3. At the command line, type the following command: # showfru fan
The screen displays that the system is collecting data. When the data collection
is completed, the screen displays status information for the fans.
Collecting Data............
_______________________________________
| ID| Status| Redundancy| PWM| Reading |
|======================================|
| 1 | OK | Full | 36%| 9000 RPM|
| 2 | OK | Full | 36%| 9000 RPM|
| 3 | Error | NA | 12%| 0237 RPM| *
| 4 | OK | Full | 38%| 8880 RPM|
| 5 | OK | Full | 38%| 9000 RPM|
| 6 | OK | Full | 38%| 9000 RPM|
In this example, fan 3 is identified as failed and should be replaced.
Extend the system from the cabinet
This procedure is used to extend the system from the cabinet so that the system
cover can be removed to access the internal FRU components, or used in removing
the system from the cabinet.
When replacing hot-swappable components, ensure the system cables are long
enough to stay connected while the unit is extended.
Procedure
1. At the front of the cabinet, locate the two rocker switches on left and right side
of the system. Press the top of the rocker switches inward to release the
system from the cabinet.
If the rocker switches do not disengage the system, loosen the screw under
each rocker.
2. Pull the system from the cabinet until the rails lock in the extended position.
Remove and replace assemblies
32 Dell EMC IDPA DP4400 Service Procedures