WAT28400UC E23W error
Your Bosch WAT28400UC is showing E23W. Before replacing parts, confirm the model tag matches WAT28400UC: Open the door and check the rim or door frame; the silver sticker is also on the rear panel near the top. On this Bosch washer, E23W means Drain pump fault (often shown as E23) — washer unable to drain water. The steps below follow the field-service order for the WAT28400UC platform — not the generic Bosch E23W page. Cross-check part fit with WAT28400UC before ordering — use the model-specific parts diagram. If the code cleared after a reset but returned mid-cycle, treat that as a confirmed fault rather than a one-time glitch.
Parts for this repair
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Fix steps
- Verify the model tag reads WAT28400UC — Open the door and check the rim or door frame; the silver sticker is also on the rear panel near the top.
- Reset E23W: unplug the washer or switch off the breaker for 5 minutes, then restore power.
- Check inlet hoses, drain hose routing, and the door seal for obstructions or leaks before assuming an internal component failed for E23W.
- Cross-check part fit with WAT28400UC before ordering — use the model-specific parts diagram.
- Run a test cycle after repair. If the code returns, use the compatible parts below or the full brand code guide.
Professional assistance recommended
This issue may be unsafe for DIY repair. Follow the safety guidance above and contact a qualified technician.
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
FAQ
What does E23W mean on a Bosch WAT28400UC?
Drain pump fault (often shown as E23) — washer unable to drain water.
How do I reset E23W on a WAT28400UC?
Unplug the washer or switch it off at the breaker for 5 minutes, then restore power and restart. If E23W returns on the WAT28400UC, the underlying fault is still present.
What part do I need for WAT28400UC E23W?
Try the reset and troubleshooting steps first. E23W on the WAT28400UC is not always a failed part.
Is E23W on the WAT28400UC easy to fix?
Many owners fix this themselves with basic tools. Start with the reset and steps above, then check compatible parts below.