LG Dryer Error Codes: D80, D90, D95, TE1, CL, 9A5

Quick Answer

LG dryer error codes like D80, D90, and D95 indicate airflow restrictions or component failures. The most common fix is cleaning the lint filter and exhaust duct to restore proper ventilation.

LG's Flow Sense system is actually pretty smart. It'll warn you at 80% duct blockage, then 90%, then 95% before things get dangerous. Most of the time you're dealing with a duct that hasn't been cleaned in years. Ignore D95 and you're genuinely risking a lint fire. TE1 and 9A5 are different animals and usually need actual parts or an electrician, not just a cleaning.

LgDryer

About These Lg Dryer Error Codes

LG packs a bunch of different error codes into one display system, and honestly they're pretty helpful once you know what they mean. The D-series codes are the most common ones I see, and nine times out of ten it's a stuffed exhaust duct. TE1 and 9A5 are less common but they'll shut your dryer down fast and need a completely different approach.

Common Causes

The exhaust duct is packed with lint from years of normal use, especially if you've never run a brush through it or had it professionally cleaned.
The flexible duct section got kinked or squashed flat when the unit was pushed back against the wall, which cuts airflow even without any lint buildup at all.
The exhaust run is just too long for LG's Flow Sense tolerance. Anything over about 25 feet of equivalent length with multiple 90-degree bends will trigger D90 or D95 even on a clean duct.
The exhaust thermistor (part 6323EL2001B) failed from heat fatigue after years of high-temp cycles, reading open circuit and triggering TE1.
The wiring connector at the thermistor corroded from moisture cycling inside the exhaust duct, causing an intermittent TE1 that comes and goes.
A power surge or tripped breaker dropped voltage below spec, and the control board flagged it as a 9A5 fault on the next startup.

Symptoms You May Notice

The error code is sitting on the display and the cycle either stopped mid-run or won't start at all.
Clothes come out damp after a full cycle. You throw them in, they run for an hour, and they're still wet enough that you have to run them again.
The dryer runs but blows cold or barely warm air, because the heater cut out to prevent overheating.
You can barely feel any airflow at the exterior vent cap outside. Hold your hand up to it and it's a trickle instead of a strong push of hot air.
Drying times have been creeping up for months and now the dryer's finally throwing a code. That slow creep is the duct gradually filling up.

Tools Required for Diagnosis

Phillips #2 screwdriverDryer duct brush kit (at least 20 feet of flexible rods)Multimeter (auto-ranging or set to 20k ohm range)Flashlight or headlamp

How to Identify Your Error Code

ComponentComponent Under Test

Expected Range4500–6500 ohms

ConditionIf Open (OL) or infinite, replace component.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Exhaust Thermistor6323EL2001B · $12–$22	6323EL2001B	$12 – $22
Main Control BoardEBR36858904 · $120–$200	EBR36858904	$120 – $200
Dryer Duct Brush Kit · $15–$25		$15 – $25

Frequently Asked Questions

What does the D80 code mean on an LG dryer?

D80 means LG's Flow Sense system detected that your exhaust duct is roughly 80% blocked. The dryer'll still run and heat, but it's working harder than it should and your drying times are gonna get worse. Nine times out of ten it's just lint. Clean the exhaust duct from the dryer connection all the way out to the exterior vent cap, including any screens or flap mechanisms that might be gunked up. Once airflow's restored, the code clears itself after the next successful cycle.

Will an LG dryer reset clear a D80, D90, or D95 code?

Nope, and I get this question constantly. The D-series codes come back immediately because they're generated by live sensor readings, not stored in memory. If the duct's still blocked, the code comes back the second the dryer senses restricted airflow again. You've got to physically clean the duct. After you do that, don't bother manually clearing the code. It disappears on its own once the dryer completes a cycle with good airflow.

How do I enter LG dryer diagnostic mode?

Press and hold the Temp and Time Dry buttons at the same time for 3 seconds. The display'll switch to t01, t02, and so on. Hit Start to move through each sensor test. You can watch the readings to see if any sensor is out of range. Press Power when you're done to exit. This works on most LG dryers made after 2015, but a few models have different button sequences, so check your model-specific manual if this doesn't do anything.

Is TE1 dangerous on an LG dryer?

Yeah, honestly it is. TE1 means the dryer's lost its ability to monitor exhaust temperature. The thermistor is basically how the dryer knows if things are getting dangerously hot inside. Without it working, if airflow drops or something else goes wrong, the dryer can't protect itself from overheating. Don't run it at all until you've replaced the thermistor. The part's usually $15 to $25 depending on where you buy it, and it's about a 20-minute job once you track it down.

How much does it cost to fix LG dryer D80, D90, or D95 codes?

If it's just a duct cleaning, you're looking at nothing if you DIY it with a $20 to $30 brush kit, or $80 to $150 if you hire someone. TE1 thermistor replacement is a $15 to $25 part and maybe an hour of your time. The 9A5 code is trickier. If it's just a tripped breaker, that's free. If it's a bad control board, those run $80 to $200, and at that point you're really thinking about repair versus replace on an older machine. Get a quote before you commit to buying a board.

Related Lg Dryer Error Codes

Code: D80LG Dryer D80 Error Code: Exhaust Duct 80% Blocked Code: D90LG Dryer D90 Error Code: Duct Blockage at 90% Threshold Code: D95LG Dryer D95 Error Code: Critical Duct Blockage, Heat Shut Off Code: TE1LG Dryer TE1 Error Code: Exhaust Thermistor Failure Code: CLLG Dryer CL Code: Clean Filter Reminder Code: 9A5LG Dryer 9A5 Error Code: Power Supply Fault Code: RESETHow to Reset an LG Dryer: All Methods and When to Use Them

Models Known to Experience HUB Errors

This repair applies to most Lg dryers with this error code. Common model numbers include:

DLE3400W, DLEX3700W, DLE7150W, DLE3500W, DLE1501W, DLGX5501W, DLG7001W, DLG3501W

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 16, 2026