| 摘要 |
The invention relates to a method and a device for the maintenance of a lift or escalator installation (12), said device comprising an interface (14) for connecting to a control system (19) of the installation (12), a display and operating device (11) for displaying operating parameters or for inputting control commands, and a data connection device (15, 17) for establishing a data connection (16) to a central maintenance unit (13). Data and parameters of the installation (12) stored in the central maintenance unit (13) can be transmitted to the display and operating unit (11) by means of the data connection, following an identification check. A failure log specifying operating errors and/or the replacement parts necessary for correcting the operating error can be produced according to a comparison between operating parameters and transmitted data and parameters. Said failure log is transmitted to the central maintenance unit (13) via the data connection (16), for example, to enable missing replacement parts to be ordered.
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