Symptom
Log in to the DeviceManager and choose System > Hardware > Devices. Click 
to display the rear view. Click the interface module in the red square. Health Status of the interface module is Faulty.
The interface module Power indicator on the storage device is steady yellow. Figure Location of the interface module Power indicator shows the location of the interface module Power indicator.
Figure1 Location of the interface module Power indicator
Alarm Information
On the Alarms and Events page, click the Current Alarms tab. Alarms related to the interface module are displayed.
Possible Causes
The interface module is faulty.
Impact
If an interface module malfunctions, it cannot process services and services will work in single-link mode, resulting in service interruption risks.
Fault Diagnosis
Figure1 Troubleshooting flowchart for an interface module failure
