Bosch 300 Series Dishwasher Problems, Codes

Which models this covers#

Built from 2017 to 2026, the 300 Series shares one platform and parts catalog across five variants:

• SHSM63W55N
• SHS863WD5N
• SGE53C55UC
• SHE53C85N
• SGE68X55UC

A same-prefix model not printed here uses the same tub, pump, and controls, so the guidance still applies.

Specifications#

Common problems for this model#

1. E24 drain error — 32%. The most common Bosch dishwasher complaint across every tier.
2. PureDry leaves dishes wet — 20%. A limitation of condensation drying, not a fault.
3. RackMatic upper-rail binds or breaks — 12%. The adjustable rack sticks or jams.
4. Door-latch assembly fails — 10%. The unit will not start or stops mid-cycle.
5. Circulation pump hums but does not spray — 8%. An impeller obstruction or motor failure.

The one that is not really a repair#

Worth understanding before you call: the PureDry complaint at number two is inherent to how the 300 Series dries. Condensation drying has no fan or heated element, so plastics and anything shallow can stay damp. The fix is technique, not parts — run rinse aid at maximum and open the door at the end of the cycle. Owners who want fan-assisted or CrystalDry drying are really looking at a 500 or 800 Series, not a repair. The E24 drain error, by contrast, is a genuine fault, and it is almost always a clogged pump or kinked hose before it is a failed pump.

Error codes#

Each code links to a full walkthrough:

• Error E24 — click for full diagnosis and fix
• Error E15 — click for full diagnosis and fix
• Error E01 — click for full diagnosis and fix
• Error E07 — click for full diagnosis and fix
• Error E16 — click for full diagnosis and fix
• Error E18 — click for full diagnosis and fix

For any code not listed, unplug the unit or flip the breaker for 60 seconds, then restore power.

Recall status#

There are no active recalls on the Bosch 300 Series as of 2026-05-28. Check your model number at the Consumer Product Safety Commission — cpsc.gov — from time to time, since recalls can be issued at any point.

Repair or replace?#

As the entry-level model, most 300 Series repairs are easily justified. The standard line applies: under 10 years and a fix under 50% of a new unit favors repair; past 10 years, replace once repairs over the last two to three years top 40% of replacement cost. Remember the drying complaint is not a repair at all — it is a tier difference.

Maintenance#

1. Run rinse aid at maximum — it is essential for PureDry condensation drying.
2. Clean the triple filter every 2 weeks; the 300 Series filter is identical to the 800 Series.
3. Run the hottest cycle weekly to dissolve grease in the drain path.
4. Confirm the disposal knockout plug was removed at installation — a commonly missed step that mimics a drain fault.
5. Lubricate the RackMatic rail clips yearly with food-safe silicone.

Common questions#

What share do the top two faults represent? The E24 drain error and the PureDry drying complaint together account for roughly 52% of what owners contact us about.

Is the 300 Series reliable? Expect 10–13 years of service. The frequent E24 fault is repairable, and the drying trait is by design rather than a reliability problem.

Book service#

We carry common Bosch dishwasher parts on the truck, so most 300 Series repairs finish in one visit with an upfront quote. Book at /book before work begins.