When a Bosch dishwasher shows E24, the control has detected dishwasher is not draining correctly. The code narrows the diagnostic path but does not identify every cause by itself.
When a Bosch dishwasher shows E24, the control has detected dishwasher is not draining correctly. The code narrows the diagnostic path but does not identify every cause by itself.
Model compatibility: Bosch 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 verified Bosch meaning for E24 is dishwasher is not draining correctly. Treat that wording as the technical anchor for this page. The displayed code narrows the system that needs attention, but the complete E-Nr and observed behavior are still important before a repair decision is made.
Signs
Symptoms you may notice
water may remain in the tub
draining can sound slower or different
the program may stop before completion
the code can return at the drain stage
Why it happens
Possible causes
blocked filter or pump area
kinked or obstructed drain hose
blocked air gap or disposal connection
drain-pump or sensing fault
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Turn the dishwasher off before user-accessible drain maintenance.
Clean the removable filter if the model manual identifies it as a user-maintenance part.
Check the accessible pump-cover area only as described in the owner instructions.
Inspect the external drain hose for a sharp kink and check the air gap or disposal connection for an obvious blockage.
Important safety warning. Stop use if water is leaking onto the floor or reaching electrical parts.
Get help
When to call a technician
If the accessible drain path is clear and the code returns, the pump, sensing, wiring, installation, or internal drain path needs diagnosis. When requesting service, include the complete Bosch model/E-Nr. Similar-looking dishwashers can use different controls, pumps, drying systems, and diagnostic logic.
Seeing this code on your Bosch appliance?
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