For elevators in residential areas, due to the frequent use every day, in order to ensure the safety of use, property management personnel in residential areas need to maintain and maintain the elevators regularly to ensure their normal operation, especially the speed limiter and buffer of elevators should be tested by professionals every six months. If there are any related problems, they should be repaired or replaced as soon as possible. If the elevator fails beyond the warranty period, you can apply for housing maintenance fund to replace the elevator, and the application scheme can only be implemented with the consent of the owners with more than two-thirds of the construction area. Yoshiya real estate encyclopedia, buying a house needs more knowledge.