Whirlpool Dryer Medium

Whirlpool Dryer F3 E1 Error — How to Fix (Exhaust Thermistor Open/Shorted)

Fix Whirlpool Dryer error F3 E1 with our step-by-step guide. Learn what causes the exhaust thermistor open/shorted error and DIY repair costs.

⏱️ Time30-60 minutes
📋 DifficultyMedium
🔧 Model(various models)
⚠️ ErrorF3 E1
Whirlpool Dryer Error F3 E1 — troubleshooting guide

What Does Error Code F3 E1 Mean?

Error F3 E1 on your Whirlpool Dryer means: The F3 E1 error code on your Whirlpool dryer indicates that the exhaust thermistor is open or shorted. This error can cause your dryer to not heat properly or not dry clothes effectively. The thermistor measures the temperature of the exhaust vent and sends this information to the control board.

What You'll Need

🔧 Tools

  • Phillips
  • Multimeter

🛒 Parts

  • Exhaust thermistor

How to Fix Error F3 E1 — Step by Step

  1. 1

    Reset and Power Cycle

    Before starting any repairs, try resetting your dryer by unplugging it from the power outlet, waiting for 5-10 minutes, and plugging it back in. This simple reset may resolve the issue if it's caused by a temporary glitch.

    💡 Pro Tip: Make sure to unplug the dryer to avoid any electrical shocks or injuries.

  2. 2

    Locate the Exhaust Thermistor

    The exhaust thermistor is usually located near the exhaust vent of your dryer. You may need to remove the back panel or the bottom panel of your dryer to access it. Use a Phillips #2 screwdriver to remove the screws holding the panel in place.

    💡 Pro Tip: Take a picture of the wiring and connections before disconnecting them to ensure you can reconnect them properly later.

  3. 3

    Check the Thermistor Resistance

    Use a multimeter to check the resistance of the thermistor. The resistance should be around 10-20 kΩ at room temperature. If the resistance is very high or very low, the thermistor may be faulty.

    💡 Pro Tip: Make sure to set your multimeter to the correct ohms setting and take the reading quickly to avoid any damage to the thermistor.

  4. 4

    Replace the Exhaust Thermistor

    If the thermistor is faulty, replace it with a new one. Make sure to purchase a replacement thermistor that matches the original part number. Disconnect the wiring harness from the old thermistor and connect it to the new one.

    💡 Pro Tip: Use a wire stripper to remove any insulation from the wiring harness if necessary.

  5. 5

    Reassemble and Test

    Reassemble the dryer by replacing the panels and reconnecting any wiring harnesses. Plug in the dryer and test it to ensure it's working properly.

    💡 Pro Tip: Run a test cycle to ensure the dryer is heating properly and the error code is cleared.

When to Call a Professional

If you're not comfortable with DIY repairs or if the issue persists after trying the above steps, consider hiring a professional to diagnose and repair the issue. Additionally, if you notice any signs of electrical shock or burning smells, unplug the dryer immediately and call a professional.

Diagnostic Flowchart

Follow this visual guide to systematically diagnose Error F3 E1:

The F3 E1 error code on your Whirlpool dryer can be frustrating, especially when you’re in the middle of a laundry cycle. This error code indicates that the exhaust thermistor is open or shorted, which can cause your dryer to not heat properly or not dry clothes effectively. In this comprehensive guide, we’ll walk you through the meaning of the error code, quick diagnostic checks, root causes, and step-by-step fixes to get your dryer up and running again.

What Whirlpool Dryer Error F3 E1 Actually Means

The F3 E1 error code on your Whirlpool dryer indicates that the exhaust thermistor is open or shorted. The thermistor measures the temperature of the exhaust vent and sends this information to the control board. If the thermistor is faulty, the control board will display the F3 E1 error code. This error can cause your dryer to not heat properly or not dry clothes effectively.

The exhaust thermistor is a critical component in your Whirlpool dryer. It’s responsible for monitoring the temperature of the exhaust vent and ensuring that it’s within a safe range. If the thermistor is faulty, it can cause a range of problems, including:

  • Inadequate heating
  • Poor drying performance
  • Increased energy consumption
  • Reduced appliance lifespan

Is it safe to keep using the appliance with the F3 E1 error code? No, it’s not recommended to continue using your dryer with the F3 E1 error code. A faulty thermistor can cause the dryer to overheat, which can lead to a fire or other safety hazards.

Initial Diagnostic Steps (use before calling anyone)

Before calling a professional or attempting any repairs, try these quick diagnostic checks:

  • Power cycle: Unplug the dryer from the power outlet, wait for 5-10 minutes, and plug it back in. This can sometimes reset the error code.
  • Check the exhaust vent: Ensure that the exhaust vent is clear of blockages and that the venting system is properly installed.
  • Check the thermistor connections: Verify that the thermistor connections are secure and not damaged.

What Triggers This Error Code

Here are the root causes of the F3 E1 error code on your Whirlpool dryer, ranked by likelihood:

1. Faulty Exhaust Thermistor

  • Description: The exhaust thermistor is faulty and needs to be replaced.
  • How to verify: Use a multimeter to check the resistance of the thermistor. If it’s outside the recommended range, it’s faulty.
  • Fix difficulty: Medium
  • Cost: $20-$50

2. Loose or Damaged Thermistor Connections

  • Description: The thermistor connections are loose or damaged.
  • How to verify: Check the thermistor connections for any signs of damage or wear.
  • Fix difficulty: Easy
  • Cost: $0-$10

3. Blocked Exhaust Vent

  • Description: The exhaust vent is blocked, causing the thermistor to malfunction.
  • How to verify: Check the exhaust vent for any blockages or damage.
  • Fix difficulty: Easy
  • Cost: $0-$50

4. Faulty Control Board

  • Description: The control board is faulty and needs to be replaced.
  • How to verify: Check the control board for any signs of damage or wear.
  • Fix difficulty: Hard
  • Cost: $100-$300

The Primary Fix — Detailed Guide

The most common cause of the F3 E1 error code is a faulty exhaust thermistor. Here’s a step-by-step guide to replace the thermistor:

Safety Precautions

  • Unplug the dryer from the power outlet before starting any repairs.
  • Wear protective gloves and safety glasses.

Tools Needed

  • Phillips screwdriver
  • Multimeter

Time Estimate

  • 30-60 minutes

Step-by-Step Instructions

  1. Locate the exhaust thermistor: The exhaust thermistor is usually located near the exhaust vent. Consult your user manual or online resources for specific instructions.
  2. Disconnect the thermistor connections: Carefully disconnect the thermistor connections from the control board.
  3. Remove the faulty thermistor: Remove the faulty thermistor from the dryer.
  4. Install the new thermistor: Install the new thermistor in the same location as the old one.
  5. Reconnect the thermistor connections: Reconnect the thermistor connections to the control board.
  6. Test the dryer: Plug in the dryer and test it to ensure that it’s working properly.

Variations Across Product Lines

The F3 E1 error code can occur on various Whirlpool dryer models. However, some models may have different thermistor locations or replacement procedures. Here are some model-specific differences:

  • Whirlpool WED50S0AQ: The exhaust thermistor is located near the exhaust vent, behind the rear panel.
  • Whirlpool WED51S0AQ: The exhaust thermistor is located near the exhaust vent, behind the front panel.

Parts & Service Cost Overview

Here’s a breakdown of the repair costs for the F3 E1 error code:

Repair OptionDIY CostParts CostProfessional Labor
Replace thermistor$20-$50$20-$50$100-$200
Replace control board$100-$300$100-$300$200-$500

Avoiding Future Occurrences

To prevent the F3 E1 error code from occurring in the future, follow these maintenance tips:

  • Regularly clean the exhaust vent: Ensure that the exhaust vent is clear of blockages and debris.
  • Check the thermistor connections: Verify that the thermistor connections are secure and not damaged.
  • Run a cleaning cycle: Run a cleaning cycle on your dryer every 1-2 months to remove lint and debris.

Time to Call the Pros?

If you’re not comfortable with DIY repairs or if the error code persists after attempting the above steps, it’s time to call a professional. Here are some signs that you need professional help:

  • The error code persists: If the error code persists after attempting the above steps.
  • You’re unsure about DIY repairs: If you’re not comfortable with DIY repairs or if you’re unsure about the replacement procedure.
  • The dryer is not heating: If the dryer is not heating or if it’s not drying clothes effectively.

Frequently Asked Questions

Here are some frequently asked questions about the F3 E1 error code on Whirlpool dryers:

Q: What does the F3 E1 error code mean on my Whirlpool dryer?

The F3 E1 error code on your Whirlpool dryer indicates that the exhaust thermistor is open or shorted.

Q: How do I reset the F3 E1 error code on my Whirlpool dryer?

Try resetting your dryer by unplugging it from the power outlet, waiting for 5-10 minutes, and plugging it back in.

Q: Can I replace the exhaust thermistor myself?

Yes, you can replace the exhaust thermistor yourself if you’re comfortable with DIY repairs.

Q: How much does it cost to replace the exhaust thermistor?

The cost to replace the exhaust thermistor can range from $20-$50, depending on the part and labor costs.

Q: Can I use my dryer with the F3 E1 error code?

No, it’s not recommended to continue using your dryer with the F3 E1 error code. A faulty thermistor can cause the dryer to overheat, which can lead to a fire or other safety hazards.

Q: How can I prevent the F3 E1 error code from occurring in the future?

To prevent the F3 E1 error code from occurring in the future, regularly clean the exhaust vent, check the thermistor connections, and run a cleaning cycle on your dryer every 1-2 months.

For more information on dryer error codes and repairs, check out our guides on LG Dryer Error D95, LG Dryer Error D80, and LG Dryer Error DE. If you need further assistance or have questions about your Whirlpool dryer, feel free to contact Whirlpool’s customer support at 1-866-698-2538.

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Published: · Updated: · By Mike Patel

This guide is for informational purposes only. Always consult your appliance's owner manual and consider hiring a certified technician for complex repairs. FixCodePro guides are AI-assisted and reviewed for accuracy, but appliance models vary — verify part numbers and procedures for your specific model. Learn about our editorial process.