Hisense air conditioner emits a musty or moldy smell when starting.

Safety first: Turn off power before cleaning. Use appropriate protective gear (gloves, mask) when dealing with mold.

• Step 1 – Clean filters:
  • Wash filters with mild detergent and dry completely.
• Step 2 – Clean evaporator coil:
  • Use a foaming coil cleaner designed for indoor AC coils.
  • Follow product instructions and avoid oversaturating electronics.
• Step 3 – Disinfect drain pan:
  • Access the drain pan and wipe with a diluted bleach solution or AC-safe disinfectant.
• Step 4 – Run in FAN mode:
  • After cleaning, run the unit in FAN mode for 30–60 minutes to dry the coil.
• Step 5 – Regular maintenance: Clean filters monthly and schedule professional cleaning annually in humid climates.