We don't know where you connected the resistors. If they were also connected in parallel with the 24V supply then each resistor would have heated with (24V squared)/470 ohms= 1.2W.
A 2.2V red LED with 24V across it is destroyed but might light dimmly.
Was the 24V power supply also destroyed?
A 2.2V red LED with 24V across it is destroyed but might light dimmly.
Was the 24V power supply also destroyed?