Excuse me, how to solve Li Kang elevator fault code 37 in Hefei Binhu Century City? What caused it? Consult a master

The door lock is inconsistent with the hall lock. When the door is locked, the signal action of opening the door locally is detected,

Under normal circumstances, when the door is in place, it is impossible to lock the door because it is open.

1. See if the door lock is short-circuited. 102 and 1 18, or 1 16 and 1 18.

You open the hall door or the car door. If the door is locked, it will short circuit.

2. See if there is any problem with the KAD contactor.

If it's broken and you can't play, that's it.

3. Check whether the on-off signal of the switch door is normal and whether there is any problem with the normally open and normally closed of these two points.

General maintenance, the possibility of the front is relatively large.