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LG Dryer Error Codes

10 error codes with causes and step-by-step fixes

Code Meaning
D80 Duct blockage detected — exhaust duct 80% blocked
D90 Duct blockage detected — exhaust duct 90% blocked
D95 Duct blockage detected — exhaust duct 95% blocked
F9 Thermistor failure — temperature sensor not reading
CL Child lock is active — controls are locked
nP No power to the heating element
HS Humidity sensor error — moisture sensing failure
GAS Gas supply error — no gas detected (gas dryer models only)
dH High temperature error — drum temperature exceeded safe limit
PF Power failure — cycle interrupted

⚠️ Serious Errors — Act Quickly

D90
Duct blockage detected — exhaust duct 90% blocked
LG's Flow Sense system has detected a critical 90% duct blockage. At this level,…
 D95
Duct blockage detected — exhaust duct 95% blocked
Critical duct blockage at 95%. The dryer has nearly no exhaust airflow and is at…
 nP
No power to the heating element
The dryer is operating but the heating element is not receiving voltage. This ty…
 GAS
Gas supply error — no gas detected (gas dryer models only)
The gas dryer is not detecting a gas flame during ignition attempts. This can in…
 dH
High temperature error — drum temperature exceeded safe limit
The dryer drum temperature has exceeded the safety threshold. Similar to HC — a …