Legal analysis: when elevator failure endangers personal safety, housing maintenance fund can be withdrawn; The facilities and equipment of the secondary water supply and drainage system are affected by the failure; The facilities and equipment of the fire control system have potential safety hazards and fail; Roof, roof, external wall leakage or basement water seriously affect the normal use; There are hidden dangers of falling off and peeling off the external wall of the house; Other emergencies that seriously endanger the safety of the house occur.

Legal basis: Measures for the Administration of Special Housing Maintenance Funds in People's Republic of China (PRC).

Eighteenth residential special maintenance funds should be earmarked for residential * * * parts, * * facilities and equipment maintenance and renovation after the expiration of the warranty period, and shall not be used for other purposes.

Article 21 Where the maintenance, renewal and transformation of residential parts and facilities involve unsold commercial housing, non-residential housing or public housing, the development and construction unit or public housing unit shall share the cost of maintenance, renewal and transformation according to the construction area of unsold commercial housing or public housing.