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Give the float a good cleaning sometimes crud can wick up the water and cause a drip.

Check that the unit is level or leaning slightly to the rear.

Check the holes in the washer arm sometimes a partial plug can cause the water to spray at a weird angle causing a leak. I find it easiest to clean them when the stuff is is still wet and then use a pair of tweezers to pull the plug out.

Check that the overflow tube does not have a small crack.

Most units just fill by time and the fill switch is just an overflow protector. Though there are some that use the fill switch as a water level switch, not sure on this unit.

Another thing to check is if the unit is pumping out correctly between cycles, if not it may be adding too much water to a unit which already has some water in it. Most common causes for poor pump out are dirty filters or a partially clogged drain.