Check refer outlet with known good device such as drill or lamp. No power could be tripped breaker. Reset all breakers. Turn them off applying light pressure toward off, then turn on main breaker if equipped followed by branch breakers one at a time.
Locate the two wires going from circuit board of the refer to the stack on left side. Check for 120 volt output from the circuit board.
Next check the element for continuity.
Could be damaged circuit board.
More damage can come up later. Air conditioner if it was on, converter