a. Mounting area not firm
b. Loose parts
c. Compressor overloaded due to high
ambient temperatures or airflow
restriction
d. Malfunctioning components
a. Add support to improve installation
b. Check fan blades, bearings, cabinet
washers, tubing contact and loose
screws.
c. Check for airflow blockage
d. Call service for checking Internal
loose, inadequate lubrication and
incorrect wirings
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