Amana air conditioner powers on but compressor does not start; fan may run continuously with no cooling.

Safety first: Disconnect power at the breaker and wait several minutes for capacitors to discharge. Use an insulated screwdriver with a resistor or a discharge tool if you must handle capacitors.

Steps to address compressor not starting:

• Listen for sounds: When calling for cooling, a brief hum followed by a click may indicate a locked rotor or bad capacitor.
• Inspect capacitor: Locate the run capacitor in the control compartment. If it is bulged, leaking, or rusted, replace it with an OEM Amana-rated capacitor of the same µF and voltage.
• Check contactor/relay: For central units, inspect the contactor for pitted or welded contacts. Replace if damaged. For window/PTAC units, test the compressor relay on the control board.
• Test compressor windings: With power off and wires removed, measure resistance between compressor terminals (C, R, S). Open or shorted windings indicate a failed compressor.
• Call a technician if compressor is failed: Compressor replacement and refrigerant handling must be done by a licensed HVAC technician.

Never bypass safety devices to force the compressor on; this can cause catastrophic failure.