In the Ecoquest fresh air unit how do you replace the bulb?

In the Ecoquest Fresh Air unit, to replace the bulb, first turn off and unplug the unit for safety. Open the front cover by unscrewing or unfastening any clips, then carefully remove the old bulb from its socket. Insert the new bulb, ensuring it is securely in place, and close the front cover. Finally, plug the unit back in and turn it on to ensure proper functioning.