If the value and wattage is printed on them then there is every possibility that they are wire wound and the value you assume.
Wire wound do not change value so easily as composition type when subjected to heat.
So replacing them may not cure the problem unless they are open circuit.
If you need replacements, Digikey carry these type.
It sounds like you may have shorted a power switching component.
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.