7. My Evaporative cooler is very noisy | Making a strange noise
Whistling, humming, rumbling, squeaking noises and rattles aren’t normal. The sounds may indicate a mechanical problem or an airflow reductions.
a. Whistling noise - usually indicating that it is not enough doors and windows have been opened.
b. Squealing or Grinding sounds - may indicate issue with the fan motor, fan blade or a water pump.
c. Continuous humming noise - could be coming from a faulty electric damper motor or a fan motor.
If you cannot find or resolve noise issue on your own, we are ready to help. Contact REPAIR Heating & Cooling and our Technicians will identify and solve the problem for you.