Miele Dishwasher E1 Error Code: Causes and Fixes
Quick answer: Door switch/lock state issue
What you’ll notice
Cycle does not start; door lock is not confirming the secured state.
Miele
Dishwasher
Code E1
low severity
Miele models: Miele dishwashers use a three-stage filter system — clean all three parts together every 4–6 weeks. Miele strongly recommends Miele UltraTabs; generic tablets can leave a residue on sensors that triggers false spray-performance codes.
Common causes
- Door not fully latched
- Door latch hook broken
- Door lock module microswitch failed
Step-by-step fix
- Close the door firmly until you hear the latch click.
- Inspect the latch hook on the door for damage.
- Test the door lock module — press in the lock plunger by hand and listen for a click.
Tools you may need
FlashlightScrewdriver set
Prevention
- Do not force dishwasher doors shut — latch hooks are relatively fragile.
When to stop DIY
Replace the door lock module if the hook is intact but the machine still shows the error.
FAQ
What does E1 mean on Miele dishwasher?
E1 usually indicates: Door switch/lock state issue.
Can I keep using the appliance with E1?
Use caution. Severity is low. Replace the door lock module if the hook is intact but the machine still shows the error.
How long does this fix usually take?
Typical first-pass troubleshooting takes 5 minutes (close check); 20 minutes (lock module replacement).