The Compressed Air Blog | Compressed Air and Gas Tips from Atlas Copco

Common Industrial Blower Problems and How to Fix Them

Written by Atlas Copco Compressors | Apr 3, 2025

Industrial blowers are essential for various applications, from manufacturing and HVAC systems to wastewater treatment and dust collection. However, like any mechanical equipment, they can develop issues over time. Identifying and addressing these problems promptly can help maintain efficiency, reduce downtime, and extend the blower’s lifespan. Below are some of the most common industrial blower problems and how to fix them.

Overheating

Causes:

  • Poor ventilation or excessive ambient temperature
  • Blocked or dirty air filters
  • Overloading due to incorrect pressure or airflow settings
  • Worn-out bearings or misalignment

Fixes:

  • Ensure the blower is installed in a well-ventilated area.
  • Regularly clean or replace air filters.
  • Verify that the blower is operating within the recommended pressure and airflow settings.
  • Inspect bearings for wear and lubricate or replace them as needed.


Reduced Airflow

Causes:

  • Clogged filters, ducts, or impellers
  • Leaks in the ductwork
  • Motor or impeller malfunction
  • Incorrect blower size for the application

Fixes:

  • Clean or replace clogged components such as filters and ducts.
  • Check for leaks in the duct system and seal any gaps.
  • Inspect the impeller and motor for damage or wear and replace if necessary.
  • Reevaluate blower specifications to ensure proper sizing for the required applications

Excessive Noise

Causes:

  • Loose or damaged internal components
  • Worn-out bearings
  • Misaligned or unbalanced impeller
  • Vibrations due to poor mounting

Fixes:

  • Tighten or replace loose components.
  • Lubricate or replace bearings if worn out.
  • Balance or realign the impeller.
  • Ensure the blower is securely mounted and supported to minimize vibrations.

Motor Failure

Causes:

  • Electrical issues such as voltage fluctuations or short circuits
  • Overloading due to incorrect settings
  • Poor maintenance leading to dust accumulation or overheating
  • Worn-out motor components

Fixes:

  • Regularly inspect electrical connections and ensure voltage stability.
  • Avoid overloading by setting proper operational parameters.
  • Keep the blower clean and perform routine maintenance.
  • Replace faulty motor components when necessary.

Vibration Issues

Causes:

  • Unbalanced or damaged impeller
  • Loose mounting bolts
  • Worn-out bearings or misaligned shafts
  • Structural issues with the blower’s base or support

Fixes:

  • Balance or replace the impeller if necessary.
  • Tighten all mounting bolts and check for secure installation.
  • Inspect and replace bearings or realign shafts.
  • Reinforce the blower’s mounting base to ensure stability.

Preventative Maintenance Tips

To minimize blower problems and extend its lifespan, consider these maintenance best practices:

  • Perform regular inspections and cleaning.
  • Lubricate moving parts according to the manufacturer’s recommendations.
  • Monitor performance metrics such as temperature, noise, and airflow.
  • Address minor issues promptly before they lead to costly repairs.

By identifying and addressing common industrial blower issues early, businesses can ensure smooth operation, reduce downtime, and maintain efficiency. Regular maintenance and proper usage are key to keeping industrial blowers in optimal working condition.