Solderball melting point

we are turning on the printer, suddenly the printer is off after checking there is solderball on pad capacitor component 0603 our question is what can a solderball stuck on one pad can when melting and causing shortsolder (being connected with other pad) when voltage current is flowing in capacitor?

the idea like wire installation in our home sometime can make fire becouse insulation wire melt to another wire and make short connection I hope somebody can help with some answers.

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