The fan of my range hood won`t turn off and it only works on low speed.
Sounds like you may need to replace the fan switch. The fact that it wont turn off and that it only works on low speed supports that switch is broken.
SOURCE: Airking Granada 36" Range Hood - fan doesn't work
often these motors have a condensor on the side - a bit like a cross between the little white cylinder in a flourescent light housing and a starter motor - they are a bit vulnerable but are pretty cheap and easy to replace. Sounds like that is the problem - little click is it trying to start but not getting the extra help from the condensor. any good electrician should be able to fix it quickly, unless a part needs to be ordered in. he should also check if there is a fuse inside, and if the main part of the motor is ok. If the motor has died completely (which is rare) then it is still probably worth replacing, but might be a but costly. also there could be a relay connected to the switch (a way for a small switch to transfer heavier current to something) - and sometimes these can also fail. Also easy for an electrician to check and fairly cheap to replace. some motors also have a thermal protection device, which may be able to be reset by pressing a small button on the side somewhere, also possibly faulty and cheap and easy to check/replace. if you can look at the motor easily, just see if there is a small plastic push button switch (almost certainly connected to the body of the motor somewhere) if so, make sure the power is off, push it in and it should click to an "in" position. Might solve the problem. If you get a guy in to look at it and he is struggling to find the parts, please post again and we can try and source them online for you. If you fancy trying it yourself then post again and we can try and talk you through it, not TOO hard but you would need a bit of electrical knowledge and tools. Hope this helps :)
SOURCE: Zephyr typhoon AK2100 Kitchen Range Hood
its the relay inside that controls which speeds the hood works at this connects to the switch speed control
SOURCE: Ventline Range Hood Fan broken
In my RV, which should be similar, I removed the filter from the hood. With power off, I removed the fan, which was held on with a clip. Removed two screws holding the motor in and took it to a camper supply store. Mobile home supply would have had it, too. You might find the motor on line if you go to the website of the manufacturer or search for parts for that brand.
SOURCE: noisy fan or motor?
HI. The most common issue here will be with a loose motor shaft. This is the part that the fan blades are mounted on. When this occurs, the looseness will cause the motor, and shaft to wobble, thus, causing this noise you here at high speeds. The wobble is less violent during the slower speeds, so it is not loud, in this case.
The second issue will be a warped fan blade. This will cause the fan to rub against the shroud, thus, creating the noise, as well.
If the shaft is loose, or bent, the entire motor will need to be replaced. Now, if the fan blade is warped, you can, simply, unscrew the blade from the shaft, and replace it(on most model)
SOURCE: Venmar stove hood, plastic cover for light is broken
Need plastic cover on Venmar vent Hood, which measures 3 1/2 inches by 18 inches with 2 tabs.
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