KitchenAid Dishwasher Error 3-3
⚡ Quick Answer: The KitchenAid dishwasher error code 3-3 indicates a drainage issue, specifically a failure of the Optical Water Indicator (OWI) sensor to calibrate o... ✅ DIY Fixable
What Does Error 3-3 Mean?
The KitchenAid dishwasher error code 3-3 indicates a drainage issue, specifically a failure of the Optical Water Indicator (OWI) sensor to calibrate or a malfunctioning drain hose check valve that allows backflow. This may cause the dishwasher to pause mid-cycle, display the error code, and potentially lead to water backing up into the tub when the drain hose is disconnected.
Common Symptoms:
- Dishwasher stops or pauses mid‑cycle
- Error code 3‑3 displayed on control panel
- Possible water backing up into tub when drain hose disconnected
Possible Causes
- OWI sensor failed to calibrate (medium)
- Drain hose check valve failure allowing backflow (medium)
How to Fix Error 3-3
DIY Fix Basic user checks for error code 3‑3
- Turn off and restart the dishwasher to clear transient issues
- Inspect and ensure the drain hose is properly connected and not kinked
- Disconnect the drain hose from the air gap/disposal and check if water flows backward into the tub
- Run a normal cycle to see if error returns
Technician Only Technician diagnostics and repair steps
- Disconnect dishwasher from power and water
- Check drain hose check valve and replace hose section if backflow is present
- Inspect and test Optical Water Indicator (OWI) sensor and calibration via service diagnostics mode per tech sheet (e.g., W11266098)
- If OWI sensor fails calibration after cleaning and diagnostic cycles, replace the OWI sensor
- Verify wiring and connections to control board; replace the control board if persistent faults occur
Parts needed: Drain hose / check valve assembly, Optical Water Indicator (OWI) sensor, Possible electronic control board
- If you observe water backing up into the dishwasher tub
- If diagnostic calibration repeatedly fails after cleaning and inspection
- If error persists after basic user‑level actions
Next step
Choose the next step for 3-3
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Drain Hose
Carries waste water from the drain pump to your home's standpipe or sink drain.
- Typical part-only price
- $15 - $30
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does 3-3 error mean on KitchenAid dishwasher?
The 3-3 error indicates a drainage issue, often due to a faulty OWI sensor or check valve.
Can I fix KitchenAid dishwasher 3-3 error myself?
Yes, you can try restarting the dishwasher, checking the drain hose connections, and inspecting for backflow.
How much does it cost to fix 3-3 error?
Repair costs typically range from $80 to $300+, depending on parts and labor.
When should I call a technician for 3-3?
Call a technician if water backs up into the tub, or if the error persists after user-level fixes.
Data last verified: 2026-07-31
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