Cobblers does the same thing if its a one way switch too. The easiest system to install and maintain is a continuous running bath fan.
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Bathroom fan stays on when switch is off. Just fitted a replacement extractor fan in the bathroom ceiling to the existing wiring. Fan is a manrose 100mm mixed flow fan. Does this mean i need to change the switch on the wall. It worked fine a week or so ago. At the switch side the light and fan have separate switches on the wall. Now it just runs and runs.
It will shut off with i flip the circuit breaker. Epic alternatives 2236 views. In the loft space two white wires come off of the unit and enter a small white box. Bathroom exhaust fan not turning off duration. Chances are if your bathroom fan is on all the time that switch might be on. This fan is designed to run constantly 247 in order to maintain the air quality in your.
I tried disconnecting the switch all together but it still came on when the circuit breaker was flipped on. The only difference is that a timed extractor needs a permanent live so it can run on when the light is switched off. Just stays on all the time. Connect the fan to one of the other switch terminals. Also the fan switch is an isolator. The switching and supply to the fan comes from your lighting circuit and through this.
Its usually found near the thermostat. Connected it all up and as soon as i turned the isolator switch on in the attic the fan comes on. Tried the pull cord in the bathroom and it makes no difference. Power sits waiting for the ground but if the onoff switch melts due to a surge it may act as if its always on. Two wires red and brown i think exit the box unit. Just use the switched live and neutral.
You have a 2 way switch being used as a 1 way switch and youve connected the fan to the unused terminal thats why the fan runs when you switch off. In the ceiling is a small extractor fan with a halogen light in the centre. So doing some online research i appear not to have completely bypassed the switch as it still turns off the fan. My bathroom fan will not shut off when i flip the switch. Power looks for a ground normally the switch turning on gives it a ground and turns on the fan. The switch operates both the lights and the extractor fan and the fan correctly turns on and off however the bathroom lights stay on permanently.
If the fan cannot be switched off move to the other terminal. Usually located in your bathroom or laundry room higher up on the wall than a normal light switch.
Gallery of Bathroom Fan Stays On When Switch Is Off
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