A simple reset might get you running for a few hours, but without addressing the cooling or loading issue, you risk a catastrophic failure that takes down your entire line and produces expensive meltdown damage.
In some Danfoss VLT design guides, "2563" is listed as a specification value for certain drive models, such as current ratings or technical data indices for 400 V 15 kW units. Danfoss Vlt Error Code 2563
Before purchasing a new drive or replacement card, perform these diagnostics in order. A simple reset might get you running for