Microwave fan won’t turn off Appliance Repair Troubleshooting Questions › Category: Appliance Questions › Microwave fan won’t turn off -1 Vote Up Vote Down Denys asked 4 years ago Microwave stopped working. Fuse and thermal fuse (that runs exhaust fan) were bad and replaced. Microwave began working again but now the exhaust fan won't turn off. Not sure why or what to check next. Email Name Website Comment Current ye@r * Leave this field empty Your Answer Your Email Your Name Accepted file types: txt, jpg, pdf Add another file