Kelvinator split AC indoor unit emits a musty or moldy smell when starting.

Safety: Turn off power before cleaning. Wear gloves and eye protection when using coil cleaners.

Steps:

• Clean filters: Wash filters with mild detergent and dry completely before reinstalling.
• Use coil cleaner: Spray a non-rinse foaming evaporator coil cleaner approved for AC use onto the coil surface. Follow product instructions.
• Clean drain pan: Wipe accessible areas of the drain pan with a cloth and mild disinfectant.
• Run in fan mode: After cleaning, run the unit in Fan Only mode for 30–60 minutes to dry the coil and reduce odor.
• Regular maintenance: Schedule periodic professional cleaning of the indoor unit to prevent recurrence.