Problem: Flushometer valve closes immediately (short flush).
Cause: Worn or damaged diaphragm assembly.
Solution: Replace diaphragm assembly.
Cause: Handle assembly is damaged.
Solution: Replace handle or repair with handle repair kit.
Cause: Low consumption diaphragm assembly is installed on water saver/conventional fixture or urinal diaphragm assembly is installed on closet fixture.
Solution: Determine the required flush volume (see label on valve or markings on fixture). Replace diaphragm assembly or relief valve for appropriate flush volume of fixture.