Legal analysis: It is illegal to use the maintenance fund for elevator maintenance. The maintenance fund can only maintain the main structure of the house and cannot be used for elevators.

Legal basis: Article 277 of the Civil Code of People's Republic of China (PRC). Owners can set up owners' meetings and elect owners' committees. The specific conditions and procedures for the establishment of the owners' congress and the owners' committee shall be in accordance with the provisions of laws and regulations.

The relevant departments of the local people's government and the residents' committee shall give guidance and help to the establishment of the owners' congress and the election of the owners' committee.