e4
Moderate
Whirlpool · Dishwashers
Defrost system malfunction
Quick Answer
Error code E4 on your Whirlpool Dishwashers means: Defrost system malfunction. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Step 1: Disconnect power for 1 minute and restart.
2
Step 2: Check the temperature sensor and heating element.
3
Step 3: Run a diagnostic cycle to verify heating.
4
Step 4: Replace faulty components as identified.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Temperature sensor
Heating element
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