ERROR CODE EXPLAINED
Frigidaire Dishwasher
Frigidaire Dishwasher i40 Error Code
What it means
The dishwasher detected a clogged filter or sump.
Try this first
- Turn the dishwasher off.
- Remove the glass trap or filter according to the owner manual.
- Clean food debris from the filter.
- Check the sump area for accumulated food soil.
- Reinstall the filter correctly.
- Run the dishwasher again.
Can I keep using it?⚠ Clean the filter and sump before continuing
Repair usually required?✅ Usually no if caused by food buildup
If the error keeps returning
If i40 continues after the glass trap, filter, and sump are cleaned, Frigidaire recommends further assistance.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.