You search for an answer for the question “How to fix noisy central conditioners?”, we got it for you. In 7 of 8 cases the problem will be in the condenser fan motor. It's a very common problem for central air conditioners like Viking 186. The condenser fan motor has bearings that can wear out over time. When the bearings are worn out, they make loud noises. To check the bearings, try rotating the condenser fan motor by hand. If the motor does not turn smoothly, replace it. Simple step by step guide will help you to replace the condenser fan motor.
- Turn the power off.
- Remove the motor and the grill.
- Note which way the fan blades sit to ensure the new fan is placed in the right direction.
- Put the fan on the new motor.
- Connect the wiring, ensuring the wires are kept away from the blade and following the schematic on the new motor. Tie the wires into place, so that they will never touch the blades.
- Screw the motor back on to the grill.
- Bolt the grill in place.
- Test the amperage to check the replacement was completed correctly.
Fixed! After this replacing the air conditioner will be silent as should. If this doesn't work, there could be a defective part that requires a replacement, and you may need to consult a professional.