Air Conditioner making weird noise || TEMPERZONE Packaged Unit. Australian Made.

Performing a routine Preventative Maintenance Service on an old TEMPERZONE Packaged Unit. Australian Made unit.

[@asimoford4994]

These rooftop units are still stronger than today's vrf/vrv's....

[@kuysensissy9736]

my dream work Australia as HVAC technician godbless sir keep safe

[@16valve64]

Thanks a lot sir

[@Jim-yk9zw]

What is the usual reason that contact would be making that buzzing noise mate?