Why is my Fujitsu Inverter Halcyon 9319356051 cooling (or heating) poorly?
- RRobert MurrayAug 12, 2025
Several factors can impact the cooling or heating performance of your Fujitsu Air Conditioner. Check if the air filter is dirty, or if the air intake grille or outlet port is blocked. Ensure the room temperature settings are correctly adjusted. Also, check for open windows or doors. In cooling mode, close curtains to block direct sunlight and reduce heat-generating appliances or overcrowding in the room. Ensure that 'OUTDOOR UNIT LOW NOISE' is not set and that the unit is not in 'SUPER QUIET' mode.