Question
Took apart and clean the head.Put under test on automatic willnot turn off.What could be the problem.Whatwould be the the solution?

Answer
Hey Raymond, the problem is in the automatic valve. Probably needs a new diaphram or something is stuck in the solenoid port or in the valve itself. Go to www.irrigationtutorials.com and this website will show you how to troubleshoot and fix the valve. good luck and have a great day.