In the bathroom and in the laundry room there are dehumidifiers to control the humidity in the rooms and prevent mould from forming. They should be set to 60% humidity level and be running on "auto" mode. They switch off automatically when there is no need to reduce the humidity of the air. 

Please do not switch the dehumidifiers off. 

If the tank of the dehumidifier is full a red light indicates that the tank needs to be emptied. Pleas pull out the draw in the bottom of the machine and poor the water down the drain. Then reinsert the tank in the machine.

The dehumidifier in the bathroom is located in the cupboard next to the toilet. The key is in mirror cupboard in the bathroom on the top right hand shelf.