As far as the cause of the noise it sounds like a bad bearing.
Roof fan making noise.
Make a pre assumption of the noise source at this stage you should have done some pre assumption on the.
If the fan doesn t move freely there s something causing friction and it s probably the motor bearings.
Prepare for the troubleshooting first thing first you have to prepare to get into the inner portion of the.
Check for bent.
A grinding noise may be from a faulty motor.
Your ceiling fan may be creating a rattling sound grinding noise buzzing noise rubbing noise clicking noise humming noise or squeaking noise.
Check for imbalanced or bent blades.
Use a microfiber towel to clean the dust then use an all purpose cleaner to wipe the blades.
The patter or even the roar of falling rain or hail popping and cracking noises perhaps due to thermal expansion and contraction of roof coverings metal roofing or roof structure and transmitted noises from other external sources such as low flying aircraft or nearby trains or auto truck traffic from a nearby highway.
Here s how you address a noisy fan canopy.
Replace the bearings attic fans also have small ball bearings that help lubricate the fan s movement.
The attic fan tends to makes a humming noise when it has a few blades and is running at a high speed setting.
If the fan blades are imbalanced or bent they can hit against one another or.
How to quiet a noisy attic fan.
A buzzing noise can be from an electrical issue.
If there s any movement it may need to be tightened.
4 ways to quiet a noisy attic ceiling fan 1.
Steps of deducting attic fan humming noise step 1.
Using a step stool or ladder check the fan canopy by trying to wiggle it with your hand.
The fan canopy can also cause noise during operation.
7 essential tips 1.
The dust may be the cause of the clicking noise being produced by your fan and cleaning it may help reduce the noise.
Before inspecting individual parts of your attic fan and fixing anything make.
Be as gentle as possible when cleaning the blades since exerting some pressure on them may make them imbalanced.
For example a rattling sound may mean loose parts.
The way to check is to disconnect power to the unit and try to move the fan blades by hand.
Detach the fan from the power source.
Roof noises may be described as those attributed to an obvious source.
It s located at the very top of your fan against the ceiling.
