What should I do if the bathroom ventilation fan vent runs out of smell

Remove him and take it to an ordinary electrical repair shop, or if you can't dismantle it, you can call a nearby repair shop to come to your door to fix it. If you have used it for too long, it is recommended to replace it with a new one. View the original post

Is the switch in bad contact or the fan inside the contact is not good, if it is a switch, disassemble the switch, wipe off the rust with something on the contact, if the fan, it is best to find someone to disassemble and repair it for you, there should be no big problem.

Is the bathroom ventilation fan installed upside down, not to exhaust the exhaust gas, but to introduce the exhaust gas.

The exhaust fan vent and the drain of the floor drain are not connected, how can there be a floor drain with a ventilation fan to return odor? If the odor returns, it should be a floor drain problem. It is recommended that you choose a floor drain called "submarine", which is available on Taobao and is said to be used by Olympic venues. >>>More

There are two main considerations for the selection of bathroom exhaust fans, one is the installation location, whether it is installed on the partition wall or the ceiling installation, the exhaust fan installed on the partition wall is generally large, basically more than 288 cubic meters per hour, the partition wall opening is 200mm, or the square hole of 250mm can be, if it is the exhaust fan installed by the ceiling pipe, it is generally necessary to look at the size of the bathroom area, according to the 10 square meters of the bathroom to calculate, the floor height is about 3 meters, There is 30 cubic meters of space, and the exhaust air volume per hour needs to be about 180 cubic meters, according to this ratio, you can know the size of the exhaust fan in the room that needs to be installed.