Previously Working TL/SL LCD Fans Now Uncontrollable (e.g. 2 or 3 fans, one screen fails to respond)

1.Confirm power source SATA or an external PSU. 2.L3 latest version. 3.Uninstall it from device manager, shut down, unplug and replug the fans, then restart to force Windows to rescan USB devices. 4. Remove USB cable and clean USB path.

LCD Appears in L3 Utility But Won’t Respond

1.Confirm power source SATA or an external PSU. 2.L3 latest version. 3.Switch to another tab and back, then click the LCD group again. If the fan disappears, click Restart LCD to reinitialize USB.

LCD Screen(s) Missing or Unresponsive, but Device Manager Detects Device

1.Limit total connected USB devices per USB 2.0 port to 6. 2. If you have two fans in one group and three in another, and also USB from AIO/pump, we recommend using EDGE USB PWM Fan Hub(EG-HUB01) or EDGE GOLD/ Platinum PSUs.

The fan is only showing partial lighting

1. Check if the power is connected to SATA. 2. Swap the receiver between different fan groups to check if it's the receiver causing the issue.

Faulty Wireless Dongle – Signs and Symptoms RMA dongle

1.Binding/unbinding and lightbulb click works, but lighting signals are received inconsistently or slowly by some fans. 2.L3 takes a long time to launch or until restart. 3.Lighting effects like Quick Sync or Merge show jittering/glitching.

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Flex PC Fan 12TL1F_Single (Black, 1 x 140mm, LED Normal Blade)

Flex PC Fan 12TL1F_Single (Black, 1 x 140mm, LED Normal Blade)

Product ID: 735804190

Details

Brand
Lian Li
Compatible Devices
Desktop
Cooling Method
Air
Material
Plastic
Maximum Rotational Speed
1800 rpm
Noise Level
31 db

🌈40 customizable LEDs

💨103.9 CFM airflow capacity

📶2.4 GHz wireless RGB control

€ 96.00

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Description

🌬️ Elevate your PC’s cool factor with wireless RGB airflow mastery!

SMART SOFTWARE INTEGRATION - Optimize fan speeds and monitor CPU/GPU temps in real-time with L-Connect 3, giving you full control over performance and noise levels.
VIBRANT DUAL ZONE LIGHTING - Illuminate your setup with 40 individually addressable LEDs, customizable via easy software to match your unique style or mood.
POWERFUL AIRFLOW PERFORMANCE - Boost your system’s cooling with an impressive 103.9 CFM airflow and 1800 RPM speed, ensuring your rig stays chill under pressure.
SEAMLESS WIRELESS RGB CONTROL - Manage your fan’s lighting and speed effortlessly with next-gen 2.4 GHz wireless connectivity—ditch the clutter and embrace sleek customization.
EFFORTLESS INSTALLATION EXPANSION - UNIFAN interlocking and slide-in daisy-chaining make setup and cable management a breeze—scale your cooling system without the hassle.

The Lian Li Flex PC Fan 12TL1F_Single is a high-performance 140mm case fan featuring 2.4 GHz wireless RGB control, delivering 103.9 CFM airflow at up to 1800 RPM with ultra-quiet 31 dB noise levels. Equipped with 40 customizable LEDs and fluid dynamic bearings, it offers vibrant lighting effects and reliable cooling. The fan supports easy installation with UNIFAN interlocking and daisy-chaining, while L-Connect 3 software enables precise fan speed and temperature monitoring for optimized PC performance.

Specifications

ASIN	B0DY7T7BJ8
Air Flow Capacity	103.9 cfm
Best Sellers Rank	#8 in Computer Case Fans
Brand Name	Lian Li
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.4 4.4 out of 5 stars (31)
Global Trade Identification Number	00840353048249
Included Components	Fan, Cable
Item Dimensions L x W x H	5.59"L x 1.1"W x 5.51"H
Item Highlight	Controller NOT Included & Required, 2.4 GHz Wireless Signal ARGB Fan Control, Dual-Zone Lighting, Fluid Dynamic Bearing
Manufacturer	LIAN LI
Material Type	Plastic, Polybutylene Terephthalate
Maximum Rotational Speed	1800 rpm
Model	14TL1W1B
Noise Level	31 db
Number of Items	1
Number of Packs	1
Part Number	14TL1W1B
Power Connector Type	2-Pin
Set Name	LED Normal Blade
UPC	840353048249
Unit Count	1 Count
Voltage	12 volts
Warranty Description	No Warranty
Wattage	4.6 watts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 96.00

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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