It is cause by UPS internal fault, possibilities like faulty charging circuit, inverter, etc.. you can call APC and check if its still have warranty, APC will replace it right away :D
i have the same problem in my Apc smart rt 5000va ups. it shows red LED fault. how can i resolve it?i have the same problem in my Apc smart rt 5000va ups. it shows red LED fault. how can i resolve it?
If you can do troubleshooting up to component level open your UPS and check the IGBT on the Heatsink besides 2 huge capacitor and also check the 2 small fuse connected to it. The IGBT myght be shorted and fused is also possibly blownIf you can do troubleshooting up to component level open your UPS and check the IGBT on the Heatsink besides 2 huge capacitor and also check the 2 small fuse connected to it. The IGBT myght be shorted and fused is also possibly blown
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It is cause by UPS internal fault, possibilities like faulty charging circuit, inverter, etc.. you can call APC and check if its still have warranty, APC will replace it right away :D
i have the same problem in my Apc smart rt 5000va ups. it shows red LED fault. how can i resolve it?
If you can do troubleshooting up to component level open your UPS and check the IGBT on the Heatsink besides 2 huge capacitor and also check the 2 small fuse connected to it. The IGBT myght be shorted and fused is also possibly blown