which the running direction determination steps in fig5 are performed and which is installed in a 4 storeyed building it is assumed by way of example that the floor call buttons and the hall buttons are depressed in a time sequence indicated below and reference will be also had to fig1 while the cage 5 is standing by at the hall of the first floor without any direction assigned thereto and with its door closed state 40 a user at the hall of the second floor depresses the hall button 9 in fig3 in order to go downstairs then the step 20 in fig1 for deciding the presence of a floor call or a hall call generates a result 34 yes 34 since the cage 5 is standing by with no direction the step 21 in fig1 for deciding the presence of a running direction generates a result 34 no 34 the up direction is set at the step 27 in fig1 for setting the running direction to a direction in which the call or hall call exists and the cage 5 starts running upwards state 41 when a user at the hall of the third floor depresses the hall button 8 in order to go downstairs during the upward running of the cage 5 the hall button signal of the third floor is registered as the hall call signal of the third floor state 42 the cage 5 stops at the hall of the second floor in response to the hall call of the second floor and the registration of this hall call of the second floor is canceled here it is assumed that a user who has got on the cage 5 during the stand by thereof with its door.