Fisher & Paykel 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.
Fisher & Paykel
Dishwasher
Code E1
high severity
Fisher & Paykel models: Fisher & Paykel's DishDrawer is a single- or double-drawer dishwasher unique in the market. Each drawer operates independently with its own filter, spray arm, water inlet, and drain pump. When diagnosing, treat each drawer as a completely separate appliance.
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 Fisher & Paykel dishwasher?
E1 usually indicates: Door switch/lock state issue.
Can I keep using the appliance with E1?
Use caution. Severity is high. 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).