LG Dryer Error Code PF Explained: Causes and Quick Fixes

If your LG dryer suddenly stops and displays the PF error code, don’t panic. This is one of the most common dryer errors, and in many cases, it can be fixed in just a few minutes without calling a technician.

The PF code usually appears after a power interruption or electrical issue. Sometimes it happens during storms, power outages, loose connections, or overloaded circuits.

This guide explains exactly what the LG dryer PF code means, what causes it, and how to fix it step by step.

What Does PF Mean on an LG Dryer?

The PF error code stands for:

Power Failure

Your dryer detected that the electrical power supply was interrupted during a drying cycle.

This can happen even if the outage lasted only a second.

The dryer’s control board is designed to stop operation when unstable power is detected to protect internal components.

Common Causes of LG Dryer PF Error

Here are the most common reasons your dryer may show the PF code:

1. Power Outage

A temporary blackout or sudden voltage drop can trigger the error.

2. Loose Power Cord

If the dryer plug is not fully inserted into the outlet, the machine may lose power intermittently.

3. Tripped Circuit Breaker

Dryers use high voltage and can trip the breaker if the circuit is overloaded.

4. Faulty Electrical Outlet

A damaged or unstable wall outlet may interrupt power delivery.

5. Extension Cord Usage

Using extension cords with dryers is not recommended and may cause unstable voltage.

6. Internal Wiring Issue

In rare cases, loose internal wiring or a failing control board may trigger the PF code repeatedly.

How to Fix LG Dryer Error Code PF

Follow these troubleshooting steps carefully.

Step 1: Press the Start Button

Sometimes the cycle can simply resume.

• Press Start/Pause

• Check if the dryer continues normally

If the error disappears, the issue was likely a temporary power interruption.

Step 2: Reset the Dryer

A reset often clears the PF code.

How to Reset an LG Dryer

1. Turn the dryer off

2. Unplug it from the wall outlet

3. Wait 5 minutes

4. Plug it back in

5. Restart the dryer

This refreshes the control board and clears temporary glitches.

Step 3: Check the Power Cord

Inspect the dryer’s power cord carefully.

Look for:

• Loose connections

• Burn marks

• Frayed wires

• Damage near the plug

Make sure the plug is firmly connected to the outlet.

Step 4: Inspect the Circuit Breaker

Go to your home’s electrical panel.

Check whether the dryer breaker has tripped.

If it has:

1. Turn the breaker fully OFF

2. Turn it back ON

3. Restart the dryer

A partially tripped breaker can still provide some power while causing errors.

Step 5: Test the Wall Outlet

If possible, test the outlet using another high-power appliance.

You can also use a multimeter to check voltage levels.

An unstable outlet may need repair by an electrician.

Step 6: Avoid Extension Cords

LG dryers should be plugged directly into a dedicated wall outlet.

Extension cords can cause:

• Voltage drops

• Overheating

• Intermittent power loss

• PF errors

When the PF Error Keeps Returning

If the PF code appears repeatedly even after troubleshooting, there may be a deeper electrical issue.

Possible causes include:

• Faulty control board

• Loose internal wiring

• Defective outlet

• Home voltage fluctuations

At this point, contacting a professional technician may be the safest option.

Can a Storm Cause the PF Error?

Yes. Thunderstorms and lightning can briefly interrupt power or create voltage fluctuations.

Even a tiny electrical interruption can trigger the PF code on your LG dryer.

Using a surge protector designed for large appliances may help reduce electrical damage risks.

How to Prevent PF Errors in the Future

Here are a few simple prevention tips:

Use a Dedicated Circuit

Dryers should not share outlets with other heavy appliances.

Avoid Overloading Circuits

Too many appliances on one breaker can cause voltage instability.

Check Electrical Connections Regularly

Loose plugs and damaged outlets are common causes of power interruption.

Use Surge Protection

A quality surge protector can help protect the dryer’s electronic control board.

Is the PF Error Dangerous?

Usually, no.

The PF code is primarily a safety warning that the dryer experienced a power interruption.

However, if:

• You smell burning

• The outlet feels hot

• The breaker trips repeatedly

Stop using the dryer immediately and contact an electrician.

Final Thoughts

The LG dryer PF error code is typically related to a temporary power interruption rather than a major appliance failure.

In many cases, simply resetting the dryer or checking the breaker solves the problem quickly.

If the error continues happening frequently, the issue may involve your home’s electrical system or the dryer’s internal electronics.

Fixing the problem early can help prevent more expensive repairs later.

Read More:

Dryer clothes still damp? Causes and fixes

LG dryer not drying - Causes and simple fixes

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