| I.P Abstract & Summary |
The present invention relates to a structure and method for failure diagnosis of a PCB board for article transport elevator installed and used in a multi-layer structural restaurant, factories or other business establishments. More particularly, the article transport elevator is configured such that circuit units of the PCB board are connected with lamps that turn on in accordance with whether each functional part is operated normally or not, thereby looking at the PCB board and collectively diagnosing the presence or absence of a failure of the power supply unit, the seesaw switch unit of each layer, the car arrival limit unit, the car operation condition unit and the car operation state unit in accordance with the turn-on/off operation of each lamp in a simple and quick manner, especially easily and quickly diagnosing the failure even by beginners, finally excellently providing convenience in failure diagnosis. |
