LG DLE3470W Repair Guide
A 7.4 cu ft electric dryer with LG’s sensor drying and a NeveRust stainless drum. LG’s vent-blockage percentage codes make airflow diagnosis unusually straightforward.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| Not heating | Heating element or thermal fuse failure | Replace element and fuse; clear the vent | — | $165–$345 |
| Drying times getting longer | Vent restriction or lint-clogged blower | Clean the full airflow path | — | $110–$255 |
| Rumbling or thumping | Drum roller wear | Replace roller and idler kit | — | $155–$325 |
| Will not start | Door switch or start switch failure | Replace the failed switch | — | $120–$265 |
| Stops mid-cycle | Thermal protection from restricted airflow | Clear vent and blower; replace thermostat | — | $130–$300 |
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 not closed |
| D80 / D90 / D95 | Exhaust vent blockage percentage |
| PS | Power supply fault |
Tech notes
LG’s D80, D90 and D95 codes report how blocked the vent is as a percentage. A D95 is not a broken dryer — it is a duct that is 95% obstructed and a genuine fire risk.
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.
Cost guides for this machine’s common repairs
DIY step-by-step instructions for this model
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