Bosch washing machine E23 / F23 error
ErrorE23 / F23
E23 / F23 is identified by Bosch support as the aquastop hose has activated because water leakage may be present. Follow the model-scoped external checks and service boundary below.
Stop and make safe
The AquaStop hose has activated because water leakage may be present
Isolate the appliance when safe. Turn off the water tap immediately, stop using the washer, inspect only visible dry areas, and arrange Bosch service to locate the leak. Do not open fixed panels or test live circuits.
Typical symptoms
01E23 / F23 appears on the washing machine display or app
02The appliance stops, pauses, or refuses to complete the affected function
03The code returns when the same condition is present again
Likely causes
Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.
01The AquaStop hose has activated because water leakage may be present
02A model-specific condition must be confirmed against the exact manufacturer instructions
Safe next steps
- 1Turn off the water tap immediately, stop using the washer, inspect only visible dry areas, and arrange Bosch service to locate the leak.
- 2Do not infer or order an internal component from the code alone.
Step-by-step diagnosis
- 1Record the complete E23 / F23 message and the full Bosch washing machine model
- 2Confirm that the displayed code matches the official source entry
- 3Complete only the external checks described by the manufacturer
- 4Run one controlled test and stop if E23 / F23 returns
Step-by-step repair
- 1Turn off the water tap immediately, stop using the washer, inspect only visible dry areas, and arrange Bosch service to locate the leak.
- 2Do not infer or order an internal component from the code alone.
Repair details
€Estimated cost
The published external checks normally need no part. Internal repair cost is model- and region-specific; obtain a written service quote.
The published external checks normally need no part. Internal repair cost is model- and region-specific; obtain a written service quote.
⏱Estimated time
About 10–30 minutes for the published external checks; professional diagnosis and repair time depend on the exact model.
About 10–30 minutes for the published external checks; professional diagnosis and repair time depend on the exact model.
🔧Tools
Exact model manual, Flashlight and dry towels for external checks, No live electrical test tool
Exact model manual, Flashlight and dry towels for external checks, No live electrical test tool
▣Spare parts
No replacement part is confirmed by E23 / F23 alone. Obtain an exact-model diagnosis and written quote before ordering.
No replacement part is confirmed by E23 / F23 alone. Obtain an exact-model diagnosis and written quote before ordering.
What not to do
- Do not open fixed panels, test live electrical parts, bypass safety devices, or continue operating the washing machine while E23 / F23 remains.
Preventive maintenance
- 1Keep user-accessible filters, hoses, seals, and connections maintained according to the exact Bosch manual and stop promptly if the code returns.
Frequently asked questions
What does E23 / F23 mean?
Bosch describes it as the aquastop hose has activated because water leakage may be present.
Can I replace a part from the code alone?
No. Confirm the exact model and manufacturer diagnosis first.
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