Bosch 800 Series SHP78CM CrystalDry dishwasher (2023 platform): quick sheet

Covers: Bosch 800 Series 24-inch top-control SHP78CM** family (for example SHP78CM5N, stainless anti-fingerprint, pocket handle). ENERGY STAR lists SHP78CM** on the market from June 2023 (certified December 2022). This is the newer platform; for the older SHPM88Z75N see its own quick sheet.

Cross-checkedBrands: Bosch9 components

Bosch's 2023 800 Series built-in: CrystalDry (Bosch's mineral/zeolite drying), PrecisionWash with a PowerControl lower spray arm, a flexible third rack, RackMatic middle rack, Wi-Fi Home Connect, AquaStop leak protection and 42 dBA. Fault codes follow Bosch E-code logic (E15 water in base, E24 drain path, E25 drain pump). Deep diagnostics: see the Bosch dishwasher field service manual.

Safety first

Switch off the breaker and close the water before removing the toe kick or pulling the unit.
Hardwired junction box work only with the circuit verified dead.
Water in the sump may be hot after a cycle.
Live tests at the board, pump or valve are caution work.
Watch for glass in the pump.
Flood risk: check the AquaStop hose and connections for leaks after reinstalling.

How it works

Water enters through the AquaStop inlet hose and is measured into the sump. The wash motor (Bosch names the drive SilentPowerDrive) circulates it through the spray arms; PrecisionWash uses sensors to follow how the load is cleaning, and the PowerControl lower arm targets the dishes. The Aquasensor (a turbidity sensor) lets Auto and Normal adjust water and temperature to the soil.

Bosch dishwashers of this era heat water in the wash circuit rather than with an exposed element in the tub floor, so there is no glowing coil to inspect. Heater faults show as E-codes, not as a visible burned element.

CrystalDry uses a zeolite mineral reservoir: at drying time moisture is absorbed by the mineral and released as heat (Bosch quotes up to 176 F), drying plastics better than condensation-only drying. ENERGY STAR lists the method as mineral dry. PureDry is the base drying mode.

AquaStop protects against floods: a floor sensor in the base pan detects water and the drain pump runs while fill stops (Bosch code E15). Five cycles are on the console (Heavy, Auto, Normal, Speed 60, Favorite); extra programs such as Machine Care, Half Load and Rinse are available through the Home Connect app.

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Official manufacturer documentation

Always confirm values against the tech sheet for the exact model.

OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work. © 2026 OnCall Tech. Original content; not a reproduction of any manufacturer document.Generic part photos (not of this brand): Clothes dryer with its vent duct in a small laundry closet by Introspectivedsgn, Pexels License

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