Compressor cycles on locked rotor

Low line voltage - Measure line voltage and determine location of voltage drop. Repair compressor

Seized compressor (remove bearing head assembly and attempt to rotate crankshaft) - Check for motor winding short or ground

Compressor motor defective - Check for motor winding short or ground.

Single phasing - Measure voltage across all 3 legs at contactor correct source of problem.

Liquid refrigerant condensing in Cylinder - Check and replace valve plates.

On part-winding start compressors. The second set of winding may not be energized.

a. faulty contactor-replace

b. faulty time delay relay replace

Inspect control box for welded starter contacts, welded overload contacts, or burned out heater elements. - Replace defective component s and compressor parts. Check refrigerant and oil for contamination and clean system to prevent repeat failure

Inspect failed compressor for worn bearings or motor compartment contamination. - Replace compressor parts, check refrigerant and oil for contamination and clean system to prevent repeat failure