The answer to 'humidifier not cooling' is that the humidifier is not functioning properly and is not providing the necessary cooling. This could be due to a variety of issues, such as a malfunctioning fan, a clogged or dirty filter, or a problem with the humidifier's cooling mechanism.
If your humidifier is not cooling, the first step is to check the air filter and clean or replace it if necessary. You should also inspect the fan to ensure it is working properly. If the fan is not functioning, it may need to be repaired or replaced. Additionally, you should check the humidifier's cooling mechanism, such as the evaporative pad or the water supply, to ensure they are working correctly.