Bathroom exhaust fan burning smell. This removal of odors process is not necessarily quick. Running slow for a few minutes then burning out sounds like you have something restricting the fan turning or something restricting the air flow out. Its important to catch these signs early as issues like these are likely going to get worse and could spark a bathroom ceiling fire if left alone. Just like my 2004 31BHS which didnt do this. If you have a bathroom exhaust fan in your home clean it twice a year. This is resolved naturally by the inflowing movement of new air mostly from outside or other rooms but in part it can also pull air from the drains. If a backdraft damper is not installed or if the damper is poorly installed defective or damaged it will allow air from outside or from another apartment into the vent and out through the fan.
The toilet is new. If it starts to make noises or smells odd its time to replace it Faulty Wiring. They also pull moisture out which prevents mold and mildew. Burning smell one of two things. Yes bathroom fans just like any other fans can burn out. When we run the exhaust fan in the bathroom for shower seam or other reasons it. If the fan works poorly rotates slowly or not at all and emanates a burning smell the problem is likely in the motor or the bearings. The smell doesnt dissipate even with the window open.
When wires begin to short or malfunction they can melt leading to trouble inside the wall of your home. Burning plastic shade or fittings on the bath light because the bulbs you put in are too high in wattagewrong kind.
When a bathroom fan smells like something is burning it means that the bearing is locked and the motor is overheating. You can get rid of the smells that are plaguing the vent. Take a damn shower afterwords. If there is a smell coming from the bathroom exhaust fan make sure you clean it.