Patent ID: 6225768
Filing Date: 2001-05-01
Classification: E05F,E05Y,E06B

Abstract:
An automatic door diagnostic system for operating a door, a switch and a motor, comprising:a controller for operating said motor;a sensor, for detecting a hazard condition, wherein said sensor generates a hazard signal when said sensor detects a hazard, wherein said hazard signal is one of a first mode and a second mode, and wherein said hazard signal is transmitted to said controller wherein when the switch is activated, said controller performs a diagnostic check to determine whether at least one of said sensor, a connection between said sensor and the switch, the switch, a connection between the switch and said controller, and said controller are functioning properly and if so, said sensor generates an OK signal, and wherein if any of said sensor, said connection between said sensor and the switch, the switch, the connection between the switch and said controller, and said controller are not functioning properly, the OK signal is not generated and said controller switches to a not OK mode.