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home improvement zone--YOUR HANDYMAN ZONE!
and Ventilation Systems Category:
Bathroom exhaust fan makes a humming sound without
Tools / Materials (See Below for
Bathroom exhaust fans and range hood fans alike,
essentially, are each just a motor attached with blades or
propellers. If you come to hear your bathroom exhaust fan
making humming / buzzing sounds without turning, and you find that
this fan has been in place for some time, the easiest (and
surest) way of solving this problem is replacing the bathroom
exhaust motor altogether.
Caution: When dealing with any device that requires electrical
power, make sure you take precautions before you work on it,
including disconnecting the power.
If you experience a humming / buzzing sound coming from
your bathroom exhaust fan, do the
fasteners (e.g., screws) from the cover of the bathroom exhaust
fan and take off the cover to gain access to the interior
thereof, using either a screwdriver or other fastener device
that is more appropriate.
As a precaution,
use a voltage meter to make sure that the wires connected to the
fan are not live (have no power running through them).
(You should have disconnected the power to the fan from the
circuit breaker long ago, if you haven't done so already.)
Having a clear
view of the bathroom exhaust fan; disconnect any cord from it
and remove it, using a screwdriver or other fastener device that
is more appropriate. (Most fans do not require the need
for dealing with any electrical wires in order to replace a fan
motor. In fact, most fan motors simply are inserted into a
receptacle within the fan housing and removed just as easily.)
Take the removed
bathroom exhaust fan motor to either a home improvement store or
appliance parts store (or even shop online) in order to get the
correct bathroom exhaust fan replacement.
Install the new
fan motor replacement just as you saw the old one installed.
In almost all instances, this just involves the act of the
inserting the fan motor replacement into its designated
receptacle within the fan housing.
Finally, put the
cover of the bathroom exhaust fan back into place by securing it
with the fasteners (e.g., screws) that originally were removed
to provide access for the aforesaid installation.
power, and the bathroom exhaust fan should then be working
normally as it once did.
Handyman Zone Team
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