If the maintenance fund is insufficient to replace the elevator, the following solutions can be considered:

1, apply for funds from the local government or social institutions. You can apply to the local government or social organizations for funds to replace the elevator.

2. Raise public donations. Donations can be collected from local residents or companies to replace elevators.

3. Apply for a loan from a local bank. You can apply for a loan from the local bank to replace the elevator.

4. Negotiate discounts with elevator manufacturers. You can negotiate discounts with elevator manufacturers to reduce the cost of replacing elevators.