A:Answer Hi, it may be necessary to have a yearly vent appointment by a professional vent cleaner to clean your vents. Before you do this, please be sure to remove all lint from your lint tray first. Behind the dryer, check that the exhaust hose between the dryer and the wall is not crushed, dented, kinked, compressed, or coiled over like a spring . If it is, please resolve this as this may cause the D80 error code. Moreover, please confirm there are no holes in the exhaust hose or loose connections. Should all these points have been checked and you're still having this error code, please contact us at 800 243- 0000 from (Mon. to Sun. 8AM - 9PM EST). We'd be happy to further assist! ^Chris