FWA-5020 contains AMI code based BMC , and due to PSU housing design , FWA-5020 has NO silence button to stop buzz (keep) should when PSU ran into failure situations.
The endless buzz is annoy in front of users (maintainers) , the ONLY way to stop the buzz is "DISENGAGE" the failure situation by followings
Before troubleshoot the buzz situation, please check SEL or Sensor info to understand which PSU was having trouble and need to be replaced
Followings are the suggestions when buzz was triggered in the field
- Remove the failure PSU , this should stop buzz
- Replace the failure PSU with GOOD one , this should stop buzz
If the buzz cannot be stopped with above , please send whole SEL data or sensor info to Advantech for further investigations.
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