Bosch Washer E23 Error: Flood Protection Active
What Does Bosch Washer Error Code E23 Mean? Error code E23 on a Bosch washing machine indicates the AquaStop anti-flood protection system has been activated. A float switch in the base of the washer has detected water where it should not be, triggering an emergency shutdown. Common Causes A loose hose connection is the most […]
Quick Assessment
Answer to continue safely
Is it safe to keep using?
No. Do not use the washer when E23 is active. The flood protection system has detected a leak that could cause significant water damage.
Can I reset the code?
Yes. After the leak is fixed and the base pan is dried, the float switch can be reset by tilting the washer slightly. However, the leak source must be resolved first.
When to stop immediately?
Stop if you notice: Water is visible on the floor, The leak source is not identifiable.
Symptoms You May Notice
Water detected on the floor
Visible water puddle underneath or around the washing machine.
Machine shuts down completely
The washer stops mid-cycle and will not respond to any buttons.
Continuous pumping sound
The drain pump runs non-stop as the system tries to evacuate leaked water.
Possible Causes
Loose hose connection
A water supply or drain hose connection has come loose, dripping water into the base.
DIY PossibleDamaged door boot seal
The rubber gasket around the door has a tear or has shifted, allowing water to leak.
Requires ProfessionalInternal tub leak
The drum tub or a connected fitting has developed a crack or loose connection.
Requires ProfessionalSafe Checks You Can Do
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1
Turn off water supply immediately
Close both hot and cold water faucets behind the washer right away.
This prevents additional water from entering and worsening the leak.
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2
Check visible connections
Inspect the water supply hose connections and drain hose for dripping or looseness.
Tighten hand-tight connections. Do not over-tighten.
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3
Inspect the door seal
Pull back the rubber door gasket and check for tears, holes, or trapped debris that could cause leaking.
Small items caught in the boot seal can create gaps that allow water to escape.
When to Call a Professional
Contact a qualified technician if:
- Leak source is internal and not visible
- Door boot seal is torn or deteriorated
- Error returns after drying the base pan
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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