Switch off the power from your unit and disconnect the plug. Safety first!
Remove filter and wash away dust.
Spray 3-in-1® Air-Conditioner Cleaner on the cooling fins vertically from left to right. Leave it for 2 minutes.
No washing required, put filter back into the original place.
Switch on the air conditioner for 15 minutes to allow dirt to be drained out through the drain hose.
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