What should be done if a system is overcharged?

When a system is overcharged, it means that there is too much refrigerant in the system, which can lead to decreased efficiency, increased energy consumption, and potential damage to the equipment. The correct response in this situation is to decrease the amount of refrigerant in the system.

Reducing the refrigerant helps restore the system to its optimal charge level, allowing for proper operation. An overcharged system can cause liquid refrigerant to flood the compressor, leading to mechanical failure or significant stress on system components.

Other options may address symptoms or related issues but do not resolve the fundamental problem of an overcharged system. Increasing airflow could potentially help in certain situations but does not directly tackle the charge issue. Changing the TXV (Thermostatic Expansion Valve) or replacing the compressor might be considered if there are symptoms of icing or compressor failure, but these actions wouldn't effectively resolve the root issue of the overcharge itself. Therefore, the best course of action is to decrease the refrigerant to achieve optimal system performance.