LG High-Static Ducted Indoor Unit ARNU363B8A4

Check that all the parts are in place

Inspect grilles for cleanliness and damage

Inspect filter for dirt and obstructions

Clean or replace the filter if necessary

Dust Buildup – IDU Panels Check

Inspect IDU panels for dust buildup

Clean IDU panels if dust is present

Verify controller functionality

Ensure controller settings are correct

Check that all the parts are in place

Inspect grilles for cleanliness and damage

Inspect fan blade for damage or dirt accumulation

Disassemble and inspect the drain pan for blockages or damage

Enter the refrigerant pressure (LGMV)

Is the refrigerant pressure within the normal range?

Measure the compressor noise level

Describe the quality of the compressor noise

Is the condenser fan noise within acceptable limits?

Check that all components are in place and clean

Inspect fan blade for any damage or wear

Disassemble and clean the drain pan

Perform high pressure cleaning of HEX

Inspect plasma filters if present