Hisense APC12 Use And Installation Instructions page 26

Air conditioner runs, but does not cool
The filter is dirty or obstructed by debris.
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Clean the filter.
Air outlet is blocked.
■
Clear air outlet.
Set temperature is too high.
■
Lower set temperature.
Air conditioner cycles on and off too much
The air conditioner is not properly sized for your room.
■
Check the cooling capabilities of your local air conditioner.
Local air conditioners are designed as supplemental
cooling to local areas within a room.
The filter is dirty or obstructed by debris.
■
Clean the filter.
There is excessive heat or moisture open container
■
cooking, showers, etc.) in the room.
Use a fan to exhaust heat or moisture from the room.
Try not to use heat-producing appliances during the
hottest part of the day.
The louvers are blocked.
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Install the air conditioner in a location where the louvers
are free from curtains, blinds, furniture, etc.
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