Does anyone have a clue why my timer just stopped working its a mechanical timer with a dial.http://www.poolcenter.com/t104p201_timer.jpg similar o this one. So i set it to 4pm about they are not accurate on time and at 4ish it seems to try click it on but its like 3/4 of the way to on and the same thing happens to it when its try's to turn off.