How to troubleshoot Samsung dryer not drying clothes fully involves checking heating, airflow, and sensors. If dryer runs but clothes damp, first check lint filter, clean filter after every load, check vent duct for clog or kink, clean vent yearly, as blocked vent is most common cause of poor drying and overheating error HE. Second, check heating element, if dryer no heat, heating element coil DC47-00019 may be broken, test continuity with multimeter, replace if open $30 to $50 DIY. Third, check thermal fuse blown due to overheating, replace fuse $20 and clean vent. Fourth, clean moisture sensors inside drum near lint filter, two silver bars that detect moisture, wipe with rubbing alcohol to remove fabric softener residue that causes inaccurate sensing and early shut off. Fifth, check load size, do not overload, and ensure clothes not too wet from washer spin. Sixth, check dryer settings, select sensor dry not timed dry, and choose high heat for cottons. Seventh, check power, electric dryer needs 240 volts, one breaker tripped causes no heat. Run diagnostic mode holding Mixed Load Bell and Wrinkle Prevent to see error codes like HE or tS.
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