| 摘要 |
The present invention concerns an electronic circuit (20) for a door control unit, the circuit comprising operating means (32, 33) configured to operate a door in order to open and/or close it, and control means (21) connected to the operating means and configured to control the actuation of the operating means and to detect and store at least the number of actuations of the door. The electronic circuit further includes signalling means (25, 25a, 25b, 25c) arranged to signal that said number of actuations has attained at least one predetermined number of actuations. The signalling enables applying guarantee and programmed maintenance conditions related with the actual number of actuations of the door. The invention also concerns the related door control unit (12) and door control board. |
