Elevator is an essential tool in people's life and work, especially some tall buildings, travel can not be separated from the operation of the elevator。Once the elevator operation travel problem, it will bring people a lot of inconvenience。So how much do you know about elevator maintenance？Changsha elevator maintenanceThe basics are all at Alpha Elevator, so get to know them!

  1. Stop the elevator while it is driving。I have friends who have been in this situation
  Troubleshooting method: the door knife hits the door wheel, the lock arm is removed, the door lock KMT is disconnected, the door lock relay JMS is lost, the elevator stops immediately, and the position of the door lock roller and door knife is adjusted。
  2, the elevator can not door, encounter such a situation, there is no fear？
   Troubleshooting method: ① Control circuit fuse 1RD, 2RD or door engine circuit fuse 11RD is too loose or blown，Tighten or replace;② Door drive belt slip，Tighten the belt or replace it;③ Door motor DM damage，The DC voltage between M3 and M4 is 110V，And the door doesn't turn，Description motor damage，Should be repaired or replaced;④ The portal resistance RMD is broken，Replace the resistor RMD;⑤ Individual connecting endpoints (M1 or M2 or M3 or M4) of the door motor circuit are loose and fall off，Tighten to make the line smooth;⑥ Can not open or close the door with the key in the base station，If you short connect 22, 24，The elevator is closed or 22, 32 short connection，Elevator open，The DYK contact of the outside hall key is poor or broken。
  3, the door is not closed, but the elevator can be started。Like me, I feel like I'm gonna fall off an elevator。
   Troubleshooting methods: ① Door lock KMT contact stick, eliminate or replace the door lock ② door lock relay JMS is stuck, replace the relay JMS;
  4. After the elevator arrives at the station level, the elevator will not open the door。
  Troubleshooting method: ① The second-level door opening limit of 2KM is damaged, so that the door opening relay JKM can not get electricity, and the elevator can not open the door。38, 01 check to confirm that it can open the door, indicating that 2KM is damaged and 2KM should be replaced;② The permanent magnet relay in the open door area is damaged, so that the open door control relay JMQ can not draw, its normally open contact is still disconnected, the relay JKM can not get power, but can not open the door, replace the permanent magnet relay in the open door area。