Apparatus for supervising the condition of a brake, which brake comprises: a frame part; an armature part supported by the frame part in a way that allows movement; a spring or corresponding for activating the brake; a coil for opening the brake; and which apparatus for supervising the condition of a brake comprises: a brake control apparatus for performing a brake control procedure; a movement determination part, for determining the starting situation of the armature part of the brake; a current determination part, for determining the magnitude of the current of the coil of the brake in the starting situation of the armature part of the brake; an operating condition determination part, for determining the operating condition of the brake from the magnitude of the current of the coil of the brake; characterized in that the brake comprises a damping arrangement for damping the noise of the brake; and in that the aforementioned damping arrangement is fitted into the space in the brake between the frame part and the armature part, such that the damping arrangement prevents direct contact between the metal surfaces of the frame part and of the armature part, leaving between them a small hysteresis air gap when the brake is open; and in that the aforementioned operating condition determination part is arranged to determine the operating condition of the damping arrangement of the brake from the magnitude of the current of the coil of the brake, which magnitude of the current of the coil of the brake is determined in the starting situation of the armature part of the brake, in connection with an activation procedure of the brake; wherein first (14, 15) and second (35, 36) limit values are provided, which determine the ranges of permitted current, which first limit values (14, 15) determine the first range of permitted current, and which second limit values (35, 36) determine the second range of permitted current, which is situated outside the first range of permitted current, and wherein the current of the coil of the brake at the time of starting of the armature part is compared to the these ranges of permitted current, and if the value of the current of the coil of the brake in this case differs from the first range of permitted current but is still positioned within the second range of permitted current, it is concluded that the damping arrangement of brake has progressively worn or failed so that it needs servicing, and if the value of the current of the coil of the brake in this case differs also from the second range of permitted current, it is deduced that wear/failure of the damping arrangement has progressed so far that the next opening procedure of the brake is prevented. a frame part; an armature part supported by the frame part in a way that allows movement; a spring or corresponding for activating the brake; a coil for opening the brake; and which apparatus for supervising the condition of a brake comprises: a brake control apparatus for performing a brake control procedure; a movement determination part, for determining the starting situation of the armature part of the brake; a current determination part, for determining the magnitude of the current of the coil of the brake in the starting situation of the armature part of the brake; an operating condition determination part, for determining the operating condition of the brake from the magnitude of the current of the coil of the brake; a brake control apparatus for performing a brake control procedure; a movement determination part, for determining the starting situation of the armature part of the brake; a current determination part, for determining the magnitude of the current of the coil of the brake in the starting situation of the armature part of the brake; an operating condition determination part, for determining the operating condition of the brake from the magnitude of the current of the coil of the brake; characterized in that the brake comprises a damping arrangement for damping the noise of the brake; and in that the aforementioned damping arrangement is fitted into the space in the brake between the frame part and the armature part, such that the damping arrangement prevents direct contact between the metal surfaces of the frame part and of the armature part, leaving between them a small hysteresis air gap when the brake is open; and in that the aforementioned operating condition determination part is arranged to determine the operating condition of the damping arrangement of the brake from the magnitude of the current of the coil of the brake,