LG dryer Error Code d80

What does d80 mean?

Flow sensor detected exhaust vent is approximately 80% restricted.

Common causes

• Clogged lint filter
• Blocked exhaust duct
• Crushed exhaust hose
• Bird nest in exterior vent
• Long duct run

Diagnostic & testing steps

1. 1. Clean lint filter - wash with soap and water
2. 2. Disconnect exhaust hose and check for blockage
3. 3. Clean entire exhaust duct with brush kit
4. 4. Check exterior vent flap operates freely
5. 5. Verify duct under 25 feet with max 4 elbows

Tools required

• Vent cleaning brush kit
• Vacuum
• Flashlight

OEM parts & part numbers

Exhaust Duct, Exterior Vent Hood, Transition Duct

Part numbers: 4986ER0004G

Safety warning

⚠️ Blocked vents are leading cause of dryer fires