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Error Code D90 Troubleshooting Guides

Published FixGraph guidance for diagnosing and responding to error code d90.

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LG DLE1501W d90 With a Small Load: Why a Clear-Looking Vent Can Still Be Restricted

On the LG DLE1501W, d90 should be treated as a severe exhaust-airflow restriction, not as proof that the visible hose is clogged and not as a small-load sensor message. LG describes d90 as about 90% duct blockage and says the restriction can be anywhere between the dryer and the outside exit.

LG · Dryer · Appliance Repair