Frequent question: What causes a fan motor to seize?

The most common cause of fan motor seizure is lack of lubrication to the bearings. Usually there is no provision to lubricate the bearings because, according to the manufacturer, the bearings are “permanently” lubricated. However, even simple experience shows that the lubrication is not permanent.

What causes a fan motor to seize up?

The main causes of failure are loss of lubricant, a failed run capacitor, a failed bearing in a belt drive, a little water dripping into the windings or a voltage problem. So technicians should carefully check to find the cause of a failure before changing the motor.

Can you lubricate a fan motor?

It is usually best to use silicone lubricant on electric fan motors because it doesn’t get as old and cakey as oil-based lubricants do. It’s also a must to make sure you’re not using any type of lubricant that’s too greasy or toxic because it can cause problems with the bearing and coils in the motor.

How do I get my fan motor to work again?

Here’s how to get started to see if a simple fix is within reach to make your fan work again.

  1. Check the Cord. …
  2. Check Your Circuit Breaker. …
  3. Check for Power to Your Outlet. …
  4. Check the Fan Fuse. …
  5. Replace the Cord. …
  6. Clean the Fan. …
  7. Grease the Motor. …
  8. Call Customer Support.

Can you use WD-40 on a fan motor?

Yes, it can as WD 40 has oil base which can make winding insulation more weaker and can damage your motor. Also, WD 40 is not recommended to be used over electrical contacts.

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