LG DLGX4201W Repair Guide
A gas dryer with LG’s TurboSteam for dewrinkling and sanitizing. The steam system needs a water connection, adding a valve and supply line to the usual gas dryer service points.
LG DLGX4201W is a gas dryer, 7.4 cu ft, turbosteam dryer sold 2021 to present. Its most common repair is heats then goes cold, usually $165 to $340.
- 5 common problems with causes, fixes and costs below.
- 4 error codes decoded.
- A dryer like this lasts about 12 to 18 years.
- Check the model and serial tag before you order any part.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| Heats then goes cold | Gas valve solenoid coils failing when hot | Replace the coil kit | not listed | $165 to $340 |
| Steam function not working | Steam valve or scaled inlet screen | Clean screen. Replace steam valve | not listed | $155 to $345 |
| Not heating at all | Thermal fuse open | Replace fuse. Clear the airflow restriction | not listed | $135 to $290 |
| Long cycles | Vent restriction or blower lint | Clean the full airflow path | not listed | $110 to $255 |
| Noisy tumbling | Drum rollers or idler | Replace roller and idler kit | not listed | $160 to $330 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| tE1 / tE2 | Thermistor fault |
| dE | Door circuit fault |
| D80 / D90 / D95 | Vent blockage percentage |
| PS | Power supply fault |
Tech notes
The D series vent codes are diagnostic gold and no other brand states blockage this plainly. Treat a D90 or D95 as an urgent airflow job rather than a nuisance message.
Sources
Where the safety, regulatory and warranty claims on this page come from. Repair costs are our own figures based on Arizona market rates and OEM parts pricing.
- Home Fires Involving Clothes Dryers and Washing Machines National Fire Protection Association Dryer fire incidence, and failure to clean as the leading contributing factor.
- Carbon Monoxide Safety Guide U.S. Consumer Product Safety Commission Carbon monoxide risk from gas cooking and heating appliances.
Cost guides for this machine’s common repairs
DIY step by step instructions for this model
Find a dryer repair pro near you.
Browse independent appliance repair companies by city, ratings, hours, and phone numbers, no middleman.
We'll buy your LG DLGX4201W, or haul it away.
If the repair costs more than this machine is worth to you, we'll quote you on taking it. Cash offer if it still has value, free or paid scrap pickup if it doesn't. We'll tell you honestly which it is.