AC Not Turning On But Fan Is Running

Tools That May Help

Before calling a professional, these common tools may help you check the issue safely.

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Problem

The fan runs but the AC system does not fully turn on or cool.

Common Symptoms

  • Weak airflow from vents
  • System running constantly
  • Uneven indoor temperatures
  • Higher energy bills

Possible Causes

  • Compressor issue
  • Capacitor problem
  • Electrical fault

How To Fix It

  • Check outdoor unit
  • Inspect capacitor
  • Verify system startup

Safety Tip

Always shut off power to the HVAC system before inspecting wiring or internal components.

When To Call A Professional

If compressor fails to start

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