f4
Moderate
GE · Dishwashers
Thermistor/temperature sensor short circuit
Quick Answer
Error code F4 on your GE Dishwashers means: Thermistor/temperature sensor short circuit. 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: Turn off power to the dishwasher.
2
Step 2: Access the thermistor sensor.
3
Step 3: Test the sensor with a multimeter; a short will show near zero ohms.
4
Step 4: Check for water intrusion at the sensor connector.
5
Step 5: Replace the thermistor.
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
Thermistor
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