A facility equipment operation device (104, 204) comprising: arrangement storing means (115, 215) configured for storing arrangement data associating identification information for identifying facility equipment (102a, 102b, 202), equipment type information for identifying a group that the facility equipment (102a, 102b, 202) belongs to, and an installation position of the facility equipment (102a, 102b, 202) in an objective space; equipment capability storing means configured for storing equipment capability data associating the equipment type information and a capability related to an area affected by the facility equipment (102a, 102b, 202) belonging to the group indicated by the associated equipment type information; operating state storing means (117, 217) configured for storing operating state data associating a section affected by the facility equipment (102a, 102b, 202) currently operating from among sections dividing the objective space, and an effect exerted on the associated section by the facility equipment (102a, 102b, 202) currently operating; equipment control information acquiring means configured for acquiring equipment control information including the identification information of controlled equipment, the controlled equipment being the facility equipment (102a, 102b, 202) with a changed control parameter, and the changed control parameter; characterized by affected section determining means configured for computing, by referencing the arrangement data and the equipment capability data, an affected section, the affected section being a section affected by the controlled equipment (102a, 102b, 202); and mismatch detecting means (123, 223) configured for referencing an exerted effect, the exerted effect being an effect exerted by the controlled equipment (102a, 102b, 202) on the affected section when the controlled equipment (102a, 102b, 202) operates according to the changed control parameter, and an effect associated with the affected section in the operating state data, and detect a mismatched state on the basis of whether or not the referenced effects are in a predetermined relationship. arrangement storing means (115, 215) configured for storing arrangement data associating identification information for identifying facility equipment (102a, 102b, 202), equipment type information for identifying a group that the facility equipment (102a, 102b, 202) belongs to, and an installation position of the facility equipment (102a, 102b, 202) in an objective space; equipment capability storing means configured for storing equipment capability data associating the equipment type information and a capability related to an area affected by the facility equipment (102a, 102b, 202) belonging to the group indicated by the associated equipment type information; operating state storing means (117, 217) configured for storing operating state data associating a section affected by the facility equipment (102a, 102b, 202) currently operating from among sections dividing the objective space, and an effect exerted on the associated section by the facility equipment (102a, 102b, 202) currently operating; equipment control information acquiring means configured for acquiring equipment control information including the identification information of controlled equipment, the controlled equipment being the facility equipment (102a, 102b, 202) with a changed control parameter, and the changed control parameter;