Frigidaire Dishwasher Error I40

⚡ Quick Answer: The Frigidaire dishwasher error I40 indicates a drainage issue, often caused by a clogged filter or sump. This error is displayed when the dishwasher ... ✅ DIY Fixable

What Does Error I40 Mean?

The Frigidaire dishwasher error I40 indicates a drainage issue, often caused by a clogged filter or sump. This error is displayed when the dishwasher fails to drain properly, leaving water in the tub after a cycle. Unusual sounds may accompany the malfunction, signaling the need for cleaning or inspection of the drainage components.

Common Symptoms:

  • Display shows i40 code
  • Dishwasher stops and may not drain properly
  • Water remains in tub after cycle

Possible Causes

  • Clogged filter or sump area (high)
  • Drain hose or drain line obstruction (medium)

How to Fix Error I40

DIY Fix Clean filters and check drainage

  1. Turn off and disconnect power to the dishwasher.
  2. Remove the bottom rack and locate the filter and glass trap at the tub bottom.
  3. Remove the filter assembly and thoroughly clean with warm water to remove food debris.
  4. Inspect the sump area for visible obstructions and remove any debris.
  5. Check the drain hose for kinks or blockages and straighten or clear as needed.
  6. Restore power and run a short cycle to confirm if the error clears.

Technician Only Inspect and service drainage components

  1. Disconnect power at the breaker.
  2. Remove lower access panel and inspect sump, drain hose, and pump area.
  3. Clear any debris from pump housing, impeller area, or drain hose.
  4. Verify drain hose routing and proper installation with no kinks or excessive loops.
  5. Test drain pump and replace if faulty.
  6. Reassemble and test dishwasher operation.

Parts needed: Drain pump, Drain hose, Filter assembly

🛑 When to Call a Pro:
  • If after cleaning filters and checking hoses the error persists
  • If drain pump hums or appears damaged
  • If internal components are corroded or faulty

Technical Specifications

wattage N/A
component Water Inlet Valve
resistance 500-1500 ohms
part_number 154567401
voltage_rating 120V AC

Common Questions

What does I40 error mean on frigidaire dishwasher?

I40 indicates a drainage issue, often due to a clogged filter or sump, causing water to remain in the tub.

Can I fix frigidaire dishwasher I40 error myself?

Yes, you can clean the filters and check for drainage obstructions. Turn off the power, remove the bottom rack, and clean the filter.

How much does it cost to fix I40 error?

Repair costs for the I40 error range from $50 to $150 for parts, with labor costs varying by service provider.

When should I call a technician for I40?

Call a technician if cleaning the filters doesn't resolve the issue, if the drain pump is humming or damaged, or if internal parts are corroded.

Sources & References

Data last verified: 2026-02-19

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