When an air conditioner says "cold," it typically means that the cooling mode is activated, and the system is set to produce cold air. In most air conditioners, there are different modes available, such as cooling mode, heating mode (if it's a heat pump), fan-only mode, and sometimes dehumidification mode.
When the air conditioner is in cooling mode, it works by extracting heat from the indoor air and transferring it outside, resulting in cooler air circulated back into the room. The thermostat or control panel on the air conditioner will usually display the current mode and temperature settings. "Cold" on the display or control panel indicates that the system is currently set to cooling mode.
If you want to adjust the temperature or switch to a different mode (e.g., fan-only mode or heating mode), you can use the controls on the air conditioner's remote or control panel to make the desired changes.
It's worth noting that air conditioners come in different types, such as window units, split-type heat pumps, central air conditioning systems, and portable units. The specific features and controls may vary slightly depending on the type and brand of air conditioner you have. Always refer to the user manual or consult the manufacturer's instructions for detailed information about your particular air conditioning unit.