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Dishwasher Error Code E3: Troubleshooting Guide

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Quick answer

Dishwasher error code E3 usually indicates a heating issue. First, check if the dishwasher is overheating. Ensure the dishwasher is off and unplugged before inspecting any components. If necessary, replace the heating element or thermostat.

Confirm the symptom

Tools and prep

Step-by-step troubleshooting

  1. Check the Heating Element
    Do: Locate the heating element at the bottom of the dishwasher.
    Observe: Look for any visible damage or burn marks.
    Means: If damaged, it needs to be replaced.
    Next: Proceed to step 2.
  2. Test the Heating Element
    Do: Use a multimeter to test the heating element for continuity.
    Observe: If there is no continuity, the heating element is faulty.
    Means: Replace the heating element.
    Next: If the heating element is fine, proceed to step 3.
  3. Check the Thermostat
    Do: Locate the thermostat, usually near the heating element.
    Observe: Inspect for any visible damage.
    Means: If damaged, it needs to be replaced.
    Next: Proceed to step 4.
  4. Test the Thermostat
    Do: Use a multimeter to test the thermostat for continuity.
    Observe: If there is no continuity, the thermostat is faulty.
    Means: Replace the thermostat.
    Next: If the thermostat is fine, proceed to step 5.
  5. Inspect the Control Board
    Do: Check the control board for any signs of damage.
    Observe: Look for burnt components or loose wires.
    Means: If damaged, the control board may need to be replaced.
    Next: If the control board is fine, proceed to step 6.
  6. Check Wiring Connections
    Do: Ensure all wiring connections are secure.
    Observe: Look for any loose or corroded wires.
    Means: Secure or replace any faulty wires.
    Next: If all connections are secure, proceed to step 7.
  7. Run a Test Cycle
    Do: Plug the dishwasher back in and run a test cycle.
    Observe: Monitor the dishwasher for any error codes.
    Means: If the error code persists, further inspection is needed.
    Next: If the error code is resolved, the issue is fixed.

Common causes

CauseLikelihoodDifficultyPart often needed
Faulty Heating Element
The heating element is responsible for heating the water.
CommonMediumHeating Element
Defective Thermostat
The thermostat regulates the temperature of the water.
SometimesMediumThermostat
Damaged Control Board
The control board manages the dishwasher's functions.
RareHardControl Board
Loose Wiring Connections
Loose wires can cause intermittent heating issues.
SometimesEasy–MediumNone
Overheating
The dishwasher may be overheating due to poor ventilation.
SometimesEasyNone
Faulty Sensor
The temperature sensor may be malfunctioning.
RareMediumTemperature Sensor

Parts matching

If you need to replace any parts, ensure they are compatible with your dishwasher model.

Always check the manufacturer's guidelines for the correct part numbers.

When to call a professional

FAQ

What does error code E3 mean?

Error code E3 typically indicates a heating issue in the dishwasher.

Can I fix error code E3 myself?

Yes, if you are comfortable with basic repairs and have the right tools. Otherwise, call a professional.

How do I test the heating element?

Use a multimeter to test for continuity. If there is no continuity, the heating element is faulty.