- Appliances
- Bosch
- Dishwashers
Bosch dishwasher E24: drainage path blocked
Risk level
Medium
Proceed carefully and stop if the check is unclear.
Urgency
High
Quick answer
E24 points to a wastewater drainage problem such as a kinked hose a sealed siphon connection or a loose pump cover on documented Bosch models.
Safety first
Safe checks you can perform
- Inspect the visible drain hose
- Clean the filter and accessible pump area only when supported
Leave these tasks to a qualified professional
- Do not attempt this professional task: Clear an inaccessible drainage fault
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Appliances
- Brand
- Bosch
- Product type
- Dishwashers
Known code variants
- E-24
- Bosch E24
- Bosch Fehler E24
- errore E24 Bosch
What it means
The official Bosch documentation ties E24 to the filter drain path hose installation and pump cover. Model-specific instructions control which parts are user-accessible.
Warnings and stop conditions
- Highsource verified
Disconnect power and stop if water is leaking or has reached electrical parts.
Evidence: Bosch dishwasher instruction manual 9001007960
Symptoms and causes
Probable causes · in order
- Waste-water hose blocked or kinkedPossible
The official manual lists this as an E24 cause.
Evidence: Bosch dishwasher instruction manual 9001007960
- Siphon connection still sealedPossible
This applies only to installations that use the documented siphon connection.
Evidence: Bosch dishwasher instruction manual 9001007960
- Waste-water pump cover loosePossible
The manual instructs the user to lock the cover correctly.
Evidence: Bosch dishwasher instruction manual 9001007960
- Drain filter or pump area blockedPossible
Bosch lists a blocked filter or drain-pump area among the user-checkable E24 conditions on supported models.
Evidence: Bosch USA dishwasher error codes
Safe checks, step by step
- 1
Inspect the visible drain hose
No special tools
Switch off power and inspect the accessible hose for sharp bends or visible residue. Do not pull out a built-in appliance unless you can do so safely.
Stop if water or wiring is exposed.
Evidence: Bosch dishwasher instruction manual 9001007960
- 2
Clean the filter and accessible pump area only when supported
No special tools
Disconnect power. Follow the owner manual for the exact model to remove and clean the filter, remove standing water and accessible loose debris, then refit the pump cover until it locks.
Broken glass or sharp debris may be present. Stop if the model layout differs or internal disassembly would be required.
Evidence: Bosch dishwasher instruction manual 9001007960 · Bosch USA dishwasher error codes
Virtual technician
Does E24 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
For professionals only
- Clear an inaccessible drainage faultverified
A qualified technician should inspect the pump and internal drainage path when accessible checks do not resolve E24.
Why: Internal disassembly is not part of the documented user checks.
Evidence: Bosch dishwasher instruction manual 9001007960
Sources and technical references
- 1
Bosch dishwasher instruction manual 9001007960
Bosch · manual
- 2
Bosch USA dishwasher error codes
Bosch · official_doc
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