A programmable logic circuit device includes: a processor; and plural reconfiguration regions each including a circuit configured by change of connection between elements. The processor is configured to: upon detection of an abnormality while performing processing in a state in which the elements in the reconfiguration regions are connected in accordance with reconfiguration data designating connection between the elements in the reconfiguration regions, acquire reconfiguration data designating such connection between the elements that the processing being performed is not performed; and change connection between the elements in the reconfiguration regions in accordance with the designation by the acquired reconfiguration data.