What Your Dryer’s Error Code Is Really Trying to Tell You
When your dryer’s display panel flashes an error code, it’s not just a glitch — it’s your appliance warning you that something is wrong with your ventilation system, airflow, or internal components. Understanding these codes is one of the most important steps in preventing costly repairs and dangerous situations like overheating dryers or house fires.
Whether it’s an LG dryer error code d80 or a Samsung vent blockage warning, these signals often mean lint buildup, debris, or improper venting is restricting the hot air exhaust. Dryer Vent Wizard of The Woodlands helps homeowners interpret these codes properly, fix clogged vents, and restore safe, efficient dryer operation.
Common Dryer Error Codes by Brand
Every dryer brand uses its own set of error codes to indicate airflow restrictions, lint accumulation, or exhaust system problems. Some are clear, like “Clean Filter,” while others — such as d95 or EF1 — require professional interpretation. Knowing your dryer’s most common codes can help you act before a small blockage turns into a dangerous fire hazard.
Below, we’ve listed the most common error codes across leading brands so you can spot trouble early and know when to call Dryer Vent Wizard of The Woodlands for professional dryer vent cleaning.
Quick Reference Table
| Brand | Code(s) | Meaning | Action |
| LG | d75–d95 | 75–95% airflow blockage | Stop use; schedule professional dryer vent cleaning |
| Samsung | C80/C90, HC, tS, Clg | Blockage/overheating | Call before next use |
| Whirlpool/Maytag | AF, F4E3 | Airflow restricted | Inspect & clean vent |
| Kenmore | F30 | Residue/airflow blockage | Clean lint trap & vent |
| Electrolux | EF1 | Ventilation blockage | Schedule professional cleaning |
| Bosch | E01/E02 | Fluff filter/vent blockage | Clear & inspect |
| Amana | AF | Low airflow | Clean vent |
| Speed Queen | AF/EAF2 | Airflow problems | Clean vent & ducting |
If you see any of these dryer error codes, call Dryer Vent Wizard of The Woodlands before using your dryer again to avoid overheating or fire hazards.
LG Dryer Error Codes
- d75 – 75% airflow restriction (early warning)
- d80 – 80% restriction
- d90 – 90% restriction
- d95 – 95% restriction
- FO – Lint filter not inserted
- tE1 / tE2 / tE3 – Thermistor faults
- E13 – Drain/frozen water (steam models)
- nP – No current detected at heater
- dE – Door switch error
- HS – Humidity sensor fault
- CL – Child lock
If your LG dryer shows d80, d90, or d95, stop using it and call Dryer Vent Wizard of The Woodlands immediately.
Samsung Dryer Error Codes (Airflow & Overheating)
Vent Blockage Test Codes
- Clg / Cg – Vent clogged
- C80 / C8 / C8o – ~80% blocked
- C90 / C9 / C9o – ~90% blocked
Overheating
- HC / hE / HC4 / 1 HC – Overheating from restricted vent
Temperature Sensor (Airflow-Related)
- tS / t5 / tC / tO / t0 / tE3 / tC5 / tCS / 1tC / 1tC5 / 1tCS – Sensor/control faults from poor airflow
Door Mechanism
- dE, do, dF, 1DC, 1dF, dC, d0 – Door not closing securely
Software Update
- dn – Download in progress (don’t unplug)
Whirlpool / Maytag Dryer Error Codes
- AF – Restricted airflow
- F4 E3 – AF equivalent
- L2 – Low/no voltage
- F01 / F02 – Control board/interface fault
- F31 – Moisture sensor issue
- F2E1 – Stuck button
- PF – Power failure
Kenmore Dryer Error Codes
- AF – Restricted airflow
- F30 – Lint/fabric softener residue restricting airflow
GE / Electrolux / Frigidaire Dryer Error Codes
- E22 / E64 – Vent or heater fault
- Clean Filter – Reminder (often ignored)
- EF1 (Electrolux) – Ventilation blockage
- E40 / E42 – Door not closed/door open
- E4 – Humidity sensor error
- E8C (Frigidaire) – High limit thermostat tripped
- E A5 – Service needed (control/sensor)
- PF – Power failure
- H4 / B4 – Incorrect wiring
- H2 / B2 – Power supply issue
- AD – Auto dry function active
- Mute – Alerts silenced (can hide errors)
Bosch Dryer Error Codes
- E01 / E02 – Fluff filter or vent blockage
Amana Dryer Error Codes
- AF or “Check Vent” – Low airflow from lint or hose issues
Speed Queen Dryer Error Codes
- AF / EAF2 – Airflow problems from clogged vents or lint trap
These dryer error codes are warning signs you should never overlook. The main safety feature in most modern dryers is to detect when enough air isn’t moving through the ventilation system, which could lead to overheating dryers or even fire hazards.
Why Airflow Matters
Your dryer depends on a steady flow of hot air from the drum to the outside vent. When airflow is restricted, your dryer works harder to push moisture out, leading to:
- Longer drying cycles
- Hot air buildup inside
- Premature wear on internal components
- Increased fire hazards
A properly maintained dryer ventilation system keeps your dryer efficient, prevents lint buildup, and protects your home.
Fabric Softener Residue: The Hidden Culprit
Fabric softener sheets and liquids can coat the lint trap, restricting airflow and trapping more lint.
Signs of residue buildup:
- Sticky lint trap
- Clothes overly damp after drying
- Sour or burnt smell
Prevention tips:
- Use softener sparingly or switch to dryer balls
- Wash lint screen monthly with warm, soapy water
- Schedule annual professional dryer vent cleaning in The Woodlands
Troubleshooting Steps
Before calling a professional, try:
- Disconnect dryer power (unplug or switch off breaker) and wait 5–10 minutes
- Clean lint trap and housing
- Inspect exhaust hose for kinks, crushing, or too many bends
- Check outside vent for nests, snow, leaves, or debris
- For Electrolux dryers: disable “Mute” mode so alerts appear
- Restart dryer
If the error persists, call Dryer Vent Wizard of The Woodlands.
Signs You Need Dryer Vent Cleaning (Even Without a Code)
- Clothes taking longer to dry
- Dryer hot to the touch
- Burning smell during operation
- Lint buildup around dryer base or wall duct
- Excess humidity in laundry room
- Needing to run timed-dry repeatedly
- Drum temperature exceeding 150°F
Maintenance Frequency & Vent Length Rule
- Annually – Most homes
- Every 3–4 months – Large families, pets, or long vent runs
- Every 3–5 years – Light-use, single-occupant homes
- Vent length rule: Max 25 ft, minus 5 ft per 90° bend, 2.5 ft per 45° bend
The Woodlands Seasonal Hazards
Local conditions can worsen airflow blockages:
- Spring: Bird nests and animal intrusion
- Summer: Storm debris and high humidity lint clumping
- Fall: Leaf buildup in outside vents
- Winter: Heavy rain, ice, and wind-driven debris
Our Process & Guarantee
When you call Dryer Vent Wizard of The Woodlands, you get:
- Full inspection & airflow testing
- Lint and debris removal from dryer to outside vent
- Exhaust hose reconnection & vent optimization
- 90-day service guarantee backed by industry-leading safety practices
Service Areas
We proudly serve The Woodlands, Conroe, Spring, Shenandoah, Oak Ridge North, and surrounding communities.
Don’t Let Your Dryer Become a Danger
Dryer error codes like d80, d90, and d95 aren’t inconveniences — they’re warnings. Ignoring them can lead to overheating dryers, damaged components, or house fires. Acting quickly protects your home, saves energy, and extends your appliance’s lifespan.
Request your free quote today and let Dryer Vent Wizard of The Woodlands restore safe, efficient airflow to your dryer vent system