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Error Code

Thermador Dishwasher E24

E24 points to a drainage problem — the dishwasher is not draining as expected.

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Reviewed by Marcus Cole · Last reviewed August 7, 2026

Error guide

Code overview

Marcus Cole Written by Marcus Cole Appliance Repair Content Specialist Published August 1, 2026 Updated August 12, 2026 Technically reviewed August 7, 2026
Error code E24
Appliance Dishwasher
Dishwasher service reference
Quick answer

E24 points to a drainage problem — the dishwasher is not draining as expected.

Model compatibility: Thermador reuses codes across series and model years, so E24 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

The E24 code indicates the dishwasher detected that water is not draining properly. It usually relates to a restriction in the drain path rather than a serious internal fault.

Signs

Symptoms you may notice

Water remains at the bottom after a cycle

E24 appears near the end of the cycle

Longer cycle times

Why it happens

Possible causes

A clogged filter or sump

A blocked or kinked drain hose

A restricted air gap or disposer connection

Before you call

Safe checks you can make

These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.

Check and clean the accessible filter per your manual

Confirm the drain hose is not kinked where visible

If connected to a disposer, confirm the knockout plug was removed

Important safety warning. Standing water combined with electrical components means you should avoid deep disassembly. Basic filter cleaning is fine; internal drainage repairs are not.

Please avoid

What not to attempt

  • Do not disassemble the drain pump
  • Do not remove internal electrical parts
  • Do not force objects into the sump
Get help

When to call a technician

If cleaning the filter and checking the hose does not clear E24, book a diagnosis to inspect the drain pump and path.

FAQ

Frequently asked questions

References

Sources & references

  • Appliance user manual — cleaning the filter section
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