Oil level is low
Oil level is medium
Thermostat not working
Refrigerant charge normal
Discharge plenum is at top
Suction super heat is less
Suction gas not cooled
Undercharged system
Capacity of compressor will increase
Less wear and tear in compressor
Harmful to the compressor and motor
Increase the life of compressor
Winding open
Winding short
Motor belt removed
No load on the motor