Samsung Dryer dv42h5200ep/a3 Stuck On Cooling
According to a post on applianceblog.com, this issue could be caused by a blocked vent or vent hose, which can trigger the HE error. You can start by checking if the vent and vent hose are not blocked. If that's not the issue, you can try measuring the voltage across RY5, RY6, and RY7 on the main power board during a normal dry cycle. If there is no voltage, you may need to replace the control panel .
If you're looking for more information on troubleshooting your Samsung dryer, appliancepartspros.com has a comprehensive guide that lists common symptoms and their causes for your model .
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