Legal analysis: The maintenance fund cannot be used for the monitoring of residential installation, but it can be used under the following circumstances:

1. The maintenance fund can only be used when the public parts of the property and the facilities and equipment used for * * * * are overhauled, updated and transformed after the warranty period expires;

2. The property management company can temporarily borrow the reserve fund equivalent to one month's daily maintenance and update cost of the property from the maintenance fund; Unless otherwise agreed in the property management service contract;

3, residential overhaul or special maintenance, update, you can extract the advance payment agreed in the construction contract, but the advance payment shall not exceed thirty percent of the total project amount;

4. The owners' committee may keep a reserve fund equivalent to one month's activity funds in the account of the property management enterprise, unless otherwise decided by the owners' congress.

Legal basis: Article 281 of the Civil Law of People's Republic of China (PRC), the maintenance fund of the building and its ancillary facilities belongs to the owner. By the owner * * * to make a decision; It can be used for local maintenance and renovation of elevators, roofs, external walls and barrier-free facilities. The collection and use of maintenance funds for buildings and their ancillary facilities shall be announced regularly. In case of emergency, if the building and its ancillary facilities need to be repaired, the owners' assembly or the owners' committee may apply for the maintenance funds of the building and its ancillary facilities according to law.