What to Check First
- A dryer drains the water generated during drying through a drain hose, but some water remains inside the product. In cold winter weather, if this residual water freezes, the drain pump may not operate, causing an “OE” or “drn” error.
- → Wrap the frozen part of the drain hose with a towel soaked in warm water for about 10 minutes to thaw it.
- → Wrap the frozen part of the water supply hose with a towel soaked in warm water for about 10 minutes to thaw it.
- → Thawing the product automatically.
- 1. To thaw the product, turn off the power and remove all laundry from the drum.
- 2. Turn on the power and press and hold the [Steam] and [Tub Clean] buttons for 3 seconds. If 3:00 appears on the display, the defrost mode is activated.
- 3. Press the [Start] button to begin the defrost mode.
- 4. The defrost mode displays a time of 3 hours, but if defrosting is completed earlier, an alarm will sound and the defrost mode will end automatically. Use the product after the mode ends.
- → Thawing the product by pouring hot water inside.
- 2. Remove both the inner and outer filters, clean them thoroughly, and then insert the outer filter into the inlet.
Why This Can Happen
Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.
Safety and Model-Specific Guidance
Frequently Asked Questions
What should I check first for [LG Dryer Error Code][Wash Tower] OE error appears.?
A dryer drains the water generated during drying through a drain hose, but some water remains inside the product. In cold winter weather, if this residual water freezes, the drain pump may not operate, causing an “OE” or “drn” error.
When should I stop troubleshooting and contact LG?
Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.
Does this guidance apply to every LG model?
Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.
Related LG Products
These model pages are linked because the stored category or exact model matches this Help Library topic.
LG SIGNATURE-WM9901HBA — Washers Model
Discover the LG SIGNATURE Front Load Washer that features 5.8 cu. ft. Mega Capacity and Built-In Intelligence. Shop WM9901HBA from LG USA.
LG WD405CB — SIGNATURE 1.0 cu. ft. 29 Inch SideKick™ Pedestal Washer, LG TWINWash™ Compatible
Model-specific features, specifications and buying guidance.
LG WD405CP — SIGNATURE 1.0 cu. ft. 29 Inch SideKick™ Pedestal Washer, LG TWINWash™ Compatible
Discover the LG SIGNATURE SideKick™ Pedestal Washer that features 1.0 cu.ft. Capacity and Detergent and Softener Dispensers. Shop WD405CP from LG USA.
LG WM3420CW — 4.5 cu. ft. Ultra Large Capacity Smart Front Load Washer
Home Appliances · Top Appliance Deals
LG WM3470CW — 5.0 cu. ft. Mega Capacity Front Load Washer
Discover the 5.0 cu. ft. Mega Capacity Front Load Washer that features 6Motion™ Technology and ColdWash™ Technology. Shop WM3470CW from LG USA.