It is more comprehensive. If there is something outside, it is better to close the door. The more comprehensive the better! Who knows where to discuss the elevator's website together!
4 thoughts on “Seeking an elevator maintenance master, who can tell me what reasons can cause the elevator to close the door and don’t take the car”
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One: After the elevator is closed, the hall door lock or sedan door lock cannot be run without connecting the elevator.
: Whether the elevator is closed in place
3: Whether the safety circuit is normal
: Whether the lock body
5: whether the security loop, the door lock is short
: 6: Do you hit the limit
: The elevator door switch? Flat -floor switch failure?
eight: whether the motherboard, inverter, contactor is normal
Elevator technology exchange group, you can check the Internet, I have a group number 102686277
First, see
Is the door lock circuit connecting the "door lock circuit and divided into hall doors, sedan gates"
Secondly, the safe loop,
did the parameters upstairs incomplete? What control and bad on the elevator need to know a little bit!
The grounding line is not set up and there is a hall or a sedan door.
The door lock contact is not good! There are garbage cards and door cents! Dead ladder! The light curtain is broken! The touchpad is broken! The opening switch is no longer!