My air conditioner is no longer cooling, what should I do?

If your air conditioner is no longer cooling properly, it could be due to several reasons. Here are some steps you can take to try to resolve the issue:

1. **Check the air filter**: A dirty or clogged air filter can impede air flow and reduce the efficiency of your air conditioner. Be sure to clean or replace the filter if necessary.

2. **Check the ventilation grilles**: Make sure the interior and exterior ventilation grilles are not obstructed by furniture, plants or other objects that could block air flow.

3. **Check thermostat settings**: Make sure the thermostat is set to the correct temperature and cooling mode.

4. **Check air conditioner settings**: Make sure the air conditioner settings are correct, including fan speed and air direction settings.

5. **Check the outdoor condenser**: Make sure the outdoor condenser is not clogged with debris such as leaves, grass or debris. Clean the condenser if necessary.

6. **Check refrigerant level**: A low refrigerant level may indicate a leak in the air conditioning system. If you suspect a leak, contact a professional for inspection and repairs.

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