How to stop buzz sound on FWA-5020 when PSU got issues

Purpose

Because of PSU housing design , FWA-5020 has NO silence button to stop buzz (beep) sound when PSU ran into failure situations. The endless buzz is annoying to maintainers sometime , the ONLY way to stop the buzz is "REMOVE" the failure situation by followings.  Please find detail in Steps section in below.

Target Audience

Everyone who needs to turn the PSU buzzing off on this machine when PSU got failure

Minimum requirement

FWA-5020 series model should have similar limitations

Steps

Before skipping out the buzz situation, please check SEL or Sensor info to understand which PSU was having trouble and could be replaced in the future. 

Please go through following steps when buzz was triggered in the field FWA-5020.

1. Check/Dump SEL info from the machine in case we need to analysis failure events from system
2. Check PSU LED status, in general the LED should turn RED when issue occurred in PSU
3. Remove the failure PSU , this should stop buzz
4. Replace the failure PSU with GOOD one , the PSU LED should turn Geen and buzz got stopped

If the buzz cannot be stopped with above , please send whole SEL data or sensor info to Advantech for further investigations.