Bearing worn out

Motor Burnt

Shaft struck

Blade bent

Pipe lines with more joints

With more horizontal distance

System pipes with minimum bends

Install units as far as possible

High ambient temperature

Low ambient temperature

Condenser tube leaky

Blower motor failure

Unit consumes less power

Increases super heat

AC unit runs continuously

Relay malfunctions

Condensation poor

Refrigerant is more

Refrigerant leaked

Over charged oil