E24 — Drainage Blocked
Per Bosch's official US error-code page, E24 can be caused by a number of issues — including a blocked drain pump or a loose drain pump cover (the same drain-family fault text Bosch also uses for E25).
- Keep using it?
- Yes, with caution
- DIY difficulty
- Easy
- Typical cost
- $20-40
- Verified against
- bosch-home.com ↗
The fix
Drain hose (clear or replace)
Drain hose kinked / blocked
Diagnose first: Check the air gap / disposer connection first - common after kitchen plumbing work.
Find this part on Amazon →Didn't resolve it? Next suspect: Garbage disposal knockout plug ($5-15)
As an Amazon Associate we earn from qualifying purchases.
How to fix it
- Clean the bottom filter and sump thoroughly.
- Check the drain hose for kinks and clogs; clear the air gap.
- Inspect the drain pump impeller for debris (remove the pump cover).
Why it happens
Typical signs: Standing water in the tub · Cycle stops mid-way · E24 on the display
- Clogged filter and sump Food debris in the bottom filter. Clean it first.
- Kinked or clogged drain hose A blockage or high loop issue at the hose or air gap.
- Drain pump impeller blocked Glass or debris jamming the pump impeller.
Other parts sometimes needed
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
- Bosch Dishwasher Drain Pump Common replacementAmazon →
Related repair guides
More Bosch dishwasher codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: bosch-home.com.