Whirlpool Dryer Error F03

⚡ Quick Answer: The Whirlpool dryer F03 error indicates a malfunction in the temperature sensing circuit, often due to a faulty thermistor or loose wiring. This error... ✅ DIY Fixable

What Does Error F03 Mean?

The Whirlpool dryer F03 error indicates a malfunction in the temperature sensing circuit, often due to a faulty thermistor or loose wiring. This error can cause the dryer to overheat, fail to heat properly, or shut off unexpectedly during cycles. Addressing this issue promptly is essential to ensure safe and efficient operation.

Common Symptoms:

  • Dryer displays F03 and may fail to start properly
  • Dryer may overheat or fail to heat correctly
  • Dryer may shut off unexpectedly during cycles

Possible Causes

  • Faulty thermistor / temperature sensor (medium)
  • Loose/damaged wiring to the temperature sensing circuit (medium)

How to Fix Error F03

DIY Fix Power Cycle and Basic Checks

  1. Disconnect the dryer from power for 5–10 minutes and reconnect to attempt a system reset.
  2. Ensure lint screen and exhaust vent are clean to prevent overheating.

Technician Only Inspect and Replace Thermistor / Repair Wiring

  1. Unplug the dryer and remove access panels to locate the thermistor/temperature sensor.
  2. Visually inspect the thermistor and associated wiring harness for damage or loose connections.
  3. Use a multimeter to test thermistor resistance per manufacturer specifications.
  4. Replace the thermistor if it shows open circuit or values outside the expected range.
  5. Repair or replace any damaged wiring harness connections.
  6. Reassemble the dryer and test for persistence of F03 error.

Parts needed: Thermistor / temperature sensor, Wiring harness/connectors

🛑 When to Call a Pro:
  • If the error persists after checking/replacing the thermistor and wiring
  • If you are uncomfortable working with internal electrical components

Technical Specifications

wattage 5000W
component Temperature Sensor
resistance 10-20 ohms
part_number WPW10150145
voltage_rating 240V AC

Common Questions

What does F03 error mean on Whirlpool dryer?

F03 indicates a temperature sensor malfunction, leading to overheating or failure to heat.

Can I fix Whirlpool dryer F03 error myself?

Yes, you can power cycle the dryer and clean the lint screen. Replace the thermistor if needed.

How much does it cost to fix F03 error?

Repair costs range from $30 to $120 for parts, plus labor if you hire a technician.

When should I call a technician for F03?

Call a technician if the error persists after checking the thermistor or if you're uncomfortable with electrical components.

Sources & References

Data last verified: 2026-01-11

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