Breaking Down Dryer Code Meanings
Modern dryers are designed to “talk” to you. They display error codes or warning icons to signal an issue when something goes wrong. While some codes point to minor problems, many are directly tied to airflow restrictions, clogged vents, or overheating, issues that can quickly become fire hazards, longer dryer cycles, and further damage to your machine if ignored.
In this guide, we’ll break down the most common dryer error codes by brand, explain which ones are tied to vent blockages, and highlight when it’s time to contact Dryer Vent Wizard of Southern Tennessee for professional cleaning and inspection services to protect your vent system.
Common Dryer Error Codes by Brand
Below are the most common dryer error codes linked to airflow restriction, vent blockages, or overheating. If your dryer displays any of these warnings, stop using it until a professional has inspected your vent system.
Samsung Dryer Error Codes
- HE (Heating Error): Often caused by restricted airflow.
- Vent Check Indicator: Warning of possible vent restriction.
- Clg / Cg: Vent is clogged.
- C80 / C8 / C8o: ~80% clogged.
- C90 / C9 / C9: ~90% clogged.
- HC / hE / HC4 / 1 HC: Overheating detected, usually from blocked vents.
- tS / t5 / tC / tO / t0 / tE3 / tC5 / tCS / 1tC / 1tC5 / 1tCS: These are temperature control or sensor issues (often airflow-related).
If your Samsung dryer displays any error codes, don’t restart it until the vent is inspected. Contact Dryer Vent Wizard of Southern Tennessee right away to fix the problem.
LG Dryer Error Codes
- d75: 75% blockage (early warning).
- d80: 80% blockage.
- d90: 90% blockage.
- d95: 95% blockage.
- tE1 / tE2 / tE3: Thermistor faults are often linked to overheating from airflow issues.
- FO: Filter not correctly inserted.
- E13: Drain/frozen water issue (steam models).
- nP: No current to heater (sometimes airflow related).
- HS: Humidity sensor error.
If your LG dryer displays d80, d90, or d95, it is speaking to you. If the error continues, don’t ignore the warning. Call Dryer Vent Wizard of Southern Tennessee.
Whirlpool/ Maytag/ Kenmore Dryer Error Codes
- AF: Restricted airflow.
- F4 E3: Model-specific version of AF.
- L2: Low/no line voltage (can affect heating).
- Kenmore-Specific: F30: Airflow restricted by lint or softener residue.
- Amana Add: AF / “Check Vent”: Low airflow from lint or vent kinks.
If you see AF, F4 E3, or F30, schedule a vent cleaning with Dryer Vent Wizard of Southern Tennessee.
GE Dryer Error Codes
- Clean Lint Filter: Standard reminder; if persistent, may indicate poor airflow.
- E20 / E21: Temperature sensor fault.
- E22: Vent blockage detected.
When your GE appliance shows airflow warnings and error codes, trust the message. Schedule a professional inspection and cleaning today.
Electrolux/Frigidaire Dryer Error Codes
- E64: Heater relay failure, sometimes caused by vent blockages.
- E61: Heating element fault.
- EF1: Ventilation blockage.
Error codes like EF1 are your dryer’s way of warning that air isn’t escaping. Contact Dryer Vent Wizard of Southern Tennessee today.
Bosch Dryer Error Codes
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E01 / E02 / E03: Fluff filter or vent blockage.
If your Bosch dryer displays these error codes, airflow is restricted. As soon as possible, schedule a cleaning with Dryer Vent Wizard of Southern Tennessee.
Speed Queen Dryer Error Codes
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AF / EAF2: Airflow problems caused by clogged vents or lint traps.
Speed Queen dryers may run tough, but when your dryer displays airflow codes, it means it’s time to contact Dryer Vent Wizard of Southern Tennessee.
Prevent Problems Before They Start With These Dryer Safety Tips
Understanding error codes is only half the battle. The best way to prevent dryer failures, fire hazards, and longer drying cycles is through regular vent maintenance. Extra attention is especially important in Southern Tennessee, where humidity, seasonal pollen, and even critters can affect outdoor venting.
- Cleaning Frequency: Have vents inspected annually, or more often for large families, pet owners, or long vent runs.
- Hazards: Lint isn’t the only threat. Bird nests, plant growth, or even ice in colder months can block vents.
- Vent Length Rules: Dryer vents should be under 25 feet, minus deductions for each bend. Long runs often need booster fans.
The Sticky Truth About Fabric Softener and Dryer Safety
Lint may be the biggest culprit, but fabric softener and dryer sheet residue also create airflow problems. The sticky film coats lint traps, reducing efficiency and increasing drying cycles, letting more lint bypass into the vent, and ruining your laundry.
Some warning signs include:
- Sticky or slimy lint screen and lint tray
- Laundry staying damp
- Burnt odor from the dryer
Protect your dryer from these problems with these protection tips:
- Wash the lint filter and screen monthly with warm water.
- Reduce dryer sheet use.
- Schedule annual vent cleaning.
How to Reset Your Dryer After an Error Code
Dryer error codes can sometimes be temporary, triggered by a brief power glitch, a clogged lint screen, or a momentary airflow restriction. In those cases, a few troubleshooting steps may clear the code. However, it’s important to remember that resetting a dryer doesn’t solve the root problem if the vent is blocked.
Use the checklist below as a quick first step. If the error code returns, your dryer is telling you that the problem is real and needs professional attention.
- Pull the dryer's plug and wait for 5 to 10 minutes.
- Clean the lint filter and screen and check visible vent openings.
- Restore power to the dryer.
- If the error continues, call Dryer Vent Wizard of Southern Tennessee for further assistance before using the dryer again.
Don’t Ignore These Silent Dryer Warnings
Not all dryers are designed to display error codes. Some models only use icons, while others may have no digital warning system at all. But even without codes, your dryer still gives clues when something’s wrong. Longer drying cycles, excess heat or moisture, or even a faint burning smell are your dryer’s way of warning you.
In Southern Tennessee homes, where humidity, pet hair, and seasonal debris can make lint buildup worse, it’s especially important to recognize these silent warnings early. Addressing them now prevents costly breakdowns later.
Look out for these red flags:
- Longer drying cycles.
- The dryer feels hot to the touch.
- Burning odor near the appliance.
- Lint is collecting around the lint screen, vent system, or behind the dryer.
- Triangle/exclamation icons instead of codes.
If your machine is showing these errors, you may require services from Dryer Vent Wizard of Southern Tennessee.
Why Calling Dryer Vent Wizard of Southern Tennessee Could Save You Time, Money, and Safety
Dryer error codes are more than just numbers; they’re urgent warnings. Whether your dryer is showing a code or you’re noticing longer dry times, your dryer is telling you something’s wrong.
Don’t wait until you face costly repairs, high energy bills, or a dangerous fire hazard. Dryer Vent Wizard is here to offer assistance to keep your clothes lint-free and your machines working safely and efficiently. Our experts specialize in clearing lint blockages, fixing airflow problems, and making homes and appliances safer across Southern Tennessee.
Call Dryer Vent Wizard of Southern Tennessee today for a professional dryer vent inspection and cleaning, and get access to safe, efficient drying with peace of mind.