e03
Moderate
Bosch · Washing Machines
Door not registered as closed / drainage timeout
Quick Answer
Error code E03 on your Bosch Washing Machines means: Door not registered as closed / drainage timeout. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check the door interlock switch and its wiring connections.
2
If the door switch is faulty, replace the door interlock.
3
If related to drainage, clean the drain pump filter by removing the access panel at the lower front.
4
Check the drain hose for kinks or blockages.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Door interlock switch
Drain pump filter
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