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Christine WoodAug 13, 2025
What to do if my BOMANN Washer shows E21 drainage fault?
- WWilliam RuizAug 13, 2025
If your BOMANN Washer displays an E21 error, it indicates a drainage fault. This is often due to a blocked, kinked, or squeezed drain hose, or the hose is not correctly connected. Alternatively, the drain pump may be blocked. You should check and clear both the drain hose and the pump to resolve this issue.
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