Why does Cistern fills but will not flush?

If a cistern fills but does not flush, it may be due to a malfunction in the flush mechanism, such as a broken flapper valve or a clogged flush hole. Additionally, the fill valve could be functioning properly, allowing water to fill the tank, but issues with the handle or chain could prevent the flush from engaging. Inspecting these components can help identify the specific problem. If necessary, replacing faulty parts or clearing obstructions should resolve the issue.