f3
Moderate
Whirlpool · Dishwashers
Heating system failure - not heating or heating too slowly
Quick Answer
Error code F3 on your Whirlpool Dishwashers means: Heating system failure - not heating or heating too slowly. 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 to the dishwasher.
2
Step 2: Test the heating element for continuity.
3
Step 3: Test the temperature sensor.
4
Step 4: Check wiring between the heater and control board.
5
Step 5: Replace the heating element or sensor as needed.
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
Heating element
Temperature sensor
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