Patent ID: 7172055
Filing Date: 2007-02-06
Classification: B66B

Abstract:
1. A method of maintaining an elevator or escalator installation with a display and control unit coupled to an interface of the installation, comprising the steps of: a. coupling the display and control unit to the installation, identifying the installation to the display and control unit, transmitting operating parameters of the installation to the display and control unit, establishing a data connection between the display and control unit and a maintenance center located remotely from the installation, requesting data and parameters of the installation which are transferred to the display and control unit, and ascertaining operating faults of the installation on the display and control unit by a test routine in dependence on a comparison between the operating parameters and the transferred data and parameters; b. associating at least one of the components of the installation with the respective ascertained operating fault; c. identifying each of the components of the installation associated with the respective ascertained operating fault; and d. producing a fault log with a specification of the ascertained operating faults and the identified components.