What are the symptoms of error code E24?

Dishwasher stops mid‑cycle with E24 displayed, Standing water left in the bottom of the tub, Loud humming from the drain pump, Cycle ends prematurely, Dishwasher repeatedly attempts to drain

What causes error code E24?

Clogged drain pump or sump filter, Blocked or kinked drain hose, Obstructed check valve in the drain path, Foreign objects in the pump impeller, Improper drain installation causing backflow

How do I fix error code E24?

Restart the dishwasher to clear temporary drain faults., Remove and clean the filter assembly and sump area., Inspect the drain hose for kinks, clogs, or improper installation., Check the check valve for debris or sticking., If the pump does not activate, it may require replacement.

Bosch Dishwasher - E24 Error Code

Dishwasher cannot drain water.

Meaning

Dishwasher cannot drain water.

The E24 error indicates that the dishwasher is unable to drain water properly. Bosch explains that this code appears when the drain pump is blocked, the drain hose is kinked or restricted, or when the check valve or sump area becomes obstructed. The dishwasher stops operation to prevent water backup, pump overheating, or internal flooding.

Symptoms

Dishwasher stops mid‑cycle with E24 displayed
Standing water left in the bottom of the tub
Loud humming from the drain pump
Cycle ends prematurely
Dishwasher repeatedly attempts to drain

Causes

Clogged drain pump or sump filter
Blocked or kinked drain hose
Obstructed check valve in the drain path
Foreign objects in the pump impeller
Improper drain installation causing backflow

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Step-by-Step Fixes

Restart the dishwasher to clear temporary drain faults.
Remove and clean the filter assembly and sump area.
Inspect the drain hose for kinks, clogs, or improper installation.
Check the check valve for debris or sticking.
If the pump does not activate, it may require replacement.

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Safety Notes

Unplug or disconnect power before accessing internal components.
Expect water to spill when opening the sump or pump area.
Do not operate the dishwasher if it cannot drain properly.

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Applicable Models

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300 Series: SHEM63W55N, SHEM63W56N, SHEM63W52N, SHEM63W57N, SHSM63W55N, SHSM63W56N
500 Series: SHP865WD5N, SHP865ZD5N, SHP865WF5N, SHP865ZP5N, SHXM65Z55N, SHXM65Z55N
800 Series: SHXM78Z55N, SHXM78Z56N, SHPM78Z55N, SHPM78Z56N, SHXM88Z75N, SHPM88Z75N
800 Series CrystalDry Models: SHP878ZD5N, SHP878ZD6N, SHXM78Z55N, SHXM78Z56N
Benchmark Series: SHX9PCM5N, SHX9PCM5UC, SHX89PW75N, SHX89PW55N
Compact / 18‑Inch Models: SPE68U55UC, SPE68U55N, SPE53U55UC
Older Legacy Models: SHE3AR75UC, SHE3AR72UC, SHE3ARL5UC, SHE43RL5UC, SHE45M05UC, SHE45M06UC

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Other Bosch Dishwasher Error Codes

Show All Error Codes

Model-Specific Notes

Many Bosch 300–800 Series dishwashers perform an automatic drain‑priming cycle when E24 is detected, during which controls may not respond until the pump completes its attempt.

Disclaimer

The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.