GE Dryer Error Code HE4

The HE4 code on a GE dryer signals a heating error triggered by a clean lint filter condition being detected three consecutive times. The dryer's control system monitors airflow and drying performance, and when it repeatedly detects conditions consistent with a blocked lint filter or condenser, it logs this fault. The code is designed to alert users before restricted airflow causes damage to the heating system. Cleaning the case filter and condenser is the recommended first step.

It is not recommended to continue running the dryer while the HE4 code is active. Restricted airflow from a blocked filter or condenser can cause the heating system to overheat, potentially tripping thermal safety devices or shortening the life of heating components. Resolve the airflow restriction before resuming normal use to avoid further damage.

If the fault is resolved by cleaning the lint filter and condenser, the repair costs nothing beyond your time. If internal ducting needs to be cleared or a damaged filter needs replacement, filter parts are generally inexpensive, typically in the range of $10 to $40. If a control board replacement is ultimately needed due to a persistent misread, parts and labor can range from $150 to $350 or more depending on the specific model and service rates in your area.

Start by removing and cleaning the lint filter, washing it with warm soapy water to remove any residue or film that could restrict airflow. Next, locate and remove the condenser, typically behind an access panel at the base of the dryer, and rinse it thoroughly under running water. Allow both components to dry completely before reinstalling them and restarting the dryer. If the error persists after cleaning, inspect internal ducting for accumulated lint or consider a control board fault.

A reset may temporarily clear the HE4 display, but because the code is triggered after three consecutive detections of the fault condition, it will return quickly if the underlying airflow restriction is not resolved. Cleaning the lint filter and condenser is necessary to prevent the fault from reoccurring. A reset alone is not a fix and should only be performed after the physical cause has been addressed.