Rentals and quick flips tend to specify the SHE43DM5N because it is the least expensive Bosch with AquaStop on the inlet. It is stainless, rated 48 dBA with 12 place settings, in the 300 Series, built on a deeper tub that measures 23 3/4 inches, with EasyGlide racks and Home Connect.
You can spot AquaStop on any Bosch by the supply hose. It is visibly thicker, since one hose runs inside another, and where it meets the tap there is a molded solenoid block. If your dishwasher has that block, the first suspect for a fill problem is at the tap and not inside the machine.
Beyond that, we see a built-in water softener reservoir left empty in hard-water homes, which causes a white film, and the lower spray arm hub cracking so the outer jets lose pressure. We look at the solenoid first, then the softener.
Start where the supply hose meets the tap, at the solenoid. If it failed shut, or the hose has tripped, the inlet valve never receives any water, which clears the machine itself.
Most likely. A built-in softener on this model can be set to suit your water hardness. Setting it correctly and keeping the reservoir filled clears most white-film complaints without replacing any parts.
The hub of the lower spray arm can crack and leak pressure before it reaches the outer jets. A new arm hub restores the pattern.
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