A thermoelectric conversion module comprising: a substrate (10H, 10C); a plurality of thermoelectric conversion element pairs electrically connected in series, the plurality of thermoelectric conversion element pairs being provided on the substrate (10H, 10C); a pair of external terminals that carries out inputting or outputting of electric power, the pair of external terminals being provided on the substrate (10H, 10C); and a low melting point conductor, wherein each of the plurality of thermoelectric conversion element pairs has a p-type thermoelectric conversion element and an n-type thermoelectric conversion element, the low melting point conductor has a melting point that is substantially equal to a heat-resistant temperature of the p-type thermoelectric conversion element or the n-type thermoelectric conversion element, one of the pair of external terminals has a first connecting part electrically connecting with the p-type thermoelectric conversion element positioned at one end of the plurality of thermoelectric conversion element pairs, whereas the other of the pair of external terminals has a second connecting part electrically connecting with the n-type thermoelectric conversion element positioned at the other end of the plurality of thermoelectric conversion element pairs, the first connecting part and the second connecting part are positioned in an inner region surrounded by an outer region of the substrate (10H, 10C), the outer region includes a surface region of the substrate (10H, 10C) with the surface region being provided with an outermost plurality of the p-type thermoelectric conversion elements and an outermost plurality of the n-type thermoelectric conversion elements, the low melting point conductor is provided in the inner region surrounded by the outer region of the substrate (10H, 10C), at least a part of the low melting point conductor is positioned between the pair of external terminals when viewed in a direction normal to the substrate (10H, 10C), and the low melting point conductor is electrically insulated from at least one of the pair of external terminals. a substrate (10H, 10C); a plurality of thermoelectric conversion element pairs electrically connected in series, the plurality of thermoelectric conversion element pairs being provided on the substrate (10H, 10C); a pair of external terminals that carries out inputting or outputting of electric power, the pair of external terminals being provided on the substrate (10H, 10C); and a low melting point conductor, wherein each of the plurality of thermoelectric conversion element pairs has a p-type thermoelectric conversion element and an n-type thermoelectric conversion element, the low melting point conductor has a melting point that is substantially equal to a heat-resistant temperature of the p-type thermoelectric conversion element or the n-type thermoelectric conversion element, one of the pair of external terminals has a first connecting part electrically connecting with the p-type thermoelectric conversion element positioned at one end of the plurality of thermoelectric conversion element pairs, whereas the other of the pair of external terminals has a second connecting part electrically connecting with the n-type thermoelectric conversion element positioned at the other end of the plurality of thermoelectric conversion element pairs, the first connecting part and the second connecting part are positioned in an inner region surrounded by an outer region of the substrate (10H, 10C), the outer region includes a surface region of the substrate (10H, 10C) with the surface region being provided with an outermost plurality of the p-type thermoelectric conversion elements and an outermost plurality of the n-type thermoelectric conversion elements, the low melting point conductor is provided in the inner region surrounded by the outer region of the substrate (10H, 10C), at least a part of the low melting point conductor is positioned between the pair of external terminals when viewed in a direction normal to the substrate (10H, 10C), and the low melting point conductor is electrically insulated from at least one of the pair of external terminals.