Bosch · Dishwasher Moderate

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

$20-40 moderate difficulty 45 min Tools: pliers, screwdriver, towel

Diagnose first: Check the air gap / disposer connection first - common after kitchen plumbing work.

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Didn't resolve it? Next suspect: Garbage disposal knockout plug ($5-15)

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How to fix it

  1. Clean the bottom filter and sump thoroughly.
  2. Check the drain hose for kinks and clogs; clear the air gap.
  3. 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 replacement
    Amazon →

Related repair guides

Dishwasher Not Draining — How to Fix Standing Water →

More Bosch dishwasher codes

E01 E01 — Control board fault E02 E02 — Heating element / NTC sensor fault E03 E03 — Water not heating E04 E04 — Water flow / flow meter fault E05 E05 — Overfill / float switch tripped E06 E06 — Door-Closure or Aqua (Turbidity) Sensor Fault

All Bosch codes → All dishwasher codes →

Frequently asked questions

What does the E24 code mean on a Bosch dishwasher?

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).

What causes the E24 code on a Bosch dishwasher?

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.

Is it safe to keep using a Bosch dishwasher with a E24 error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix E24 on a Bosch dishwasher?

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).

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.