Frigidaire Dishwasher Error Code i40
Overfill Protection
Severity
DIY Difficulty
Est. Cost
$0 - $250
Est. Time
45 min
What Does i40 Mean?
Frigidaire dishwasher error i40 means overfill protection. This is a serious issue with a DIY difficulty of 3/5. Most repairs cost between $0 and $250.
Common Causes
Component failure
This is a potentially significant cause of the i40 error on Frigidaire dishwashers.
Major blockage
This is a potentially significant cause of the i40 error on Frigidaire dishwashers.
Electrical issue
This is a potentially significant cause of the i40 error on Frigidaire dishwashers.
Water damage
This is a potentially significant cause of the i40 error on Frigidaire dishwashers.
Step-by-Step Fix
Power cycle the appliance
Unplug your Frigidaire dishwasher for 60 seconds, then plug it back in. This clears temporary errors and resets the control board.
Check for obvious issues
Inspect your dishwasher for any visible problems such as loose connections, blockages, or unusual sounds. Many i40 errors on Frigidaire units are caused by simple issues.
Run a diagnostic cycle
Many Frigidaire dishwashers have a built-in diagnostic mode. Check your user manual for the specific key combination to enter diagnostics on your model.
Test related components
Based on the i40 error meaning (Overfill Protection), check the specific components involved. Use a multimeter to test for continuity if you are comfortable with electrical testing.
Contact a professional
If the above steps do not resolve the i40 error, contact a certified Frigidaire technician. This repair has a difficulty rating of 3/5 and may require specialized tools.
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