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Bosch Washing Machine Error Codes

12 error codes with causes and step-by-step fixes

Your Bosch washing machine uses 12 distinct error codes to flag faults before they turn into a full breakdown. The most common cluster around motor (3), drainage (2), door (2). Of these, about 12 can usually be cleared at home without a technician, while 7 point to more serious faults that may warrant a professional. Typical repair costs on this appliance run from $0 for simple DIY fixes up to $450 for professional component replacement.

Find your code in the table below for its exact meaning, the most likely causes ranked by how often they're the culprit, a step-by-step fix, the parts you may need, and a clear call on when it's worth phoning a repair pro.

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Code	Meaning	Severity	DIY	Est. Cost
E18	Drain time exceeded — water not draining within expected time	⚠ High Severity	moderate	$0–$100
E02	Door lock failure — cannot lock door for cycle	⚠ Medium Severity	moderate	$35–$80
E17	Water intake fault — fill time exceeded	⚠ Medium Severity	easy	$0–$75
E04	Anti-flood device activated — water detected in base	⚠ High Severity	moderate	$0–$100
F01	Water intake timeout — machine failed to fill within the expected time	⚠ Medium Severity	easy	$0–$75
F02	Heating timeout — water did not reach the target temperature	⚠ Medium Severity	hard	$40–$100
F03	Drain timeout — water did not drain within the expected time	⚠ High Severity	moderate	$0–$100
F04	Motor fault — drive motor not running correctly	⚠ High Severity	hard	$10–$200
F16	Door not closed — door not shut or door lock not engaging	⚠ Medium Severity	easy	$0–$80
F21	Motor fault — drum not spinning or motor running abnormally	⚠ High Severity	hard	$10–$250
F23	Leak sensor activated — AquaStop or flood-protection sensor triggered	⚠ High Severity	moderate	$0–$100
F43	Drum not turning — motor jammed, worn brushes, or motor fault	⚠ High Severity	hard	$10–$250