Whirlpool Dishwasher Error 3
⚡ Quick Answer: The Whirlpool dishwasher error 3 indicates a fault with water heating or temperature regulation. This may manifest as the dishwasher displaying the er... ✅ DIY Fixable
What Does Error 3 Mean?
The Whirlpool dishwasher error 3 indicates a fault with water heating or temperature regulation. This may manifest as the dishwasher displaying the error code through three flashes of the status lights, stopping the wash cycle, or failing to adequately heat water. Common causes include a faulty heating element, a defective temperature sensor or thermostat, or issues with the control board's heater circuit.
Common Symptoms:
- Dishwasher displays error code 3 (often via 3 flashes of status lights).
- Wash cycle may stop, or unit fails to heat water adequately.
- Dishwasher may fail to complete cleaning cycle.
Possible Causes
- Faulty heating element (medium)
- Defective temperature sensor/thermostat (medium)
- Control board/heater circuit fault (medium)
How to Fix Error 3
DIY Fix Basic checks and resets
- Turn off and unplug the dishwasher for a few minutes, then restart to see if the error clears.
- Ensure the dishwasher fills with water correctly and that there are no obvious obstructions to water flow.
- Verify that the dishwasher is connected to proper hot water supply (if model depends on external hot water).
Technician Only Diagnose and replace heating/temperature components
- Test the heating element for continuity with a multimeter; replace if open/defective.
- Check temperature sensor/thermostat for correct resistance values; replace faulty parts.
- Inspect control board heater circuit and relays for burn marks or damage; repair or replace board if needed.
- Verify related wiring harness connections for corrosion, damage, or loose pins.
Parts needed: Dishwasher heating element, Temperature sensor/thermostat, Control board (heater circuit section), Wiring harness/connectors
- If heating components tests are inconclusive or point to control board faults.
- If error code persists after replacing obvious failed parts.
- If moisture/water damage is suspected inside electrical components.
Next step
Choose the next step for 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
Heating Element
Heats the water or air inside the appliance to the required temperature.
- Typical part-only price
- $40 - $95
- DIY difficulty
- Medium
- Estimated time
- 30-45 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.
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
Thermostat
Regulates temperature by turning the heating or cooling system on or off.
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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
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 error mean on whirlpool dishwasher?
Error 3 indicates a heating or temperature regulation fault, stopping the wash cycle.
Can I fix whirlpool dishwasher 3 error myself?
Yes, you can perform basic checks and resets or verify water supply connections.
How much does it cost to fix 3 error?
Repair costs for heating elements and sensors are moderate; control board replacement is higher.
When should I call a technician for 3?
Call a technician if tests are inconclusive or if the error persists after replacing obvious faulty parts.
Sources & References
Data last verified: 2026-07-31
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