Frigidaire Dishwasher i40 code: Clogged filter or sump
Frigidaire says i40 points to a clogged filter or sump at the bottom of the dishwasher.
Most common causes
- Food debris packed in the filter
- Glass or debris in the sump
- Rarely cleaned filter
What you can safely check yourself
- Remove and clean the filter and the glass trap.
- Wipe debris out of the sump area, then restart the cycle.
Unplug the appliance before moving or cleaning anything. Do not open panels, touch gas connections or bypass safety switches.
Checked against: owner.frigidaire.com. Meanings can vary by model; check your owner’s manual.