Hello, there! Thank you for posting a query about the Red Lion 14942051 pump. You can try checking the power source and ensuring that the motor is running properly. If the motor is running but the impeller is not turning, there may be a blockage in the pump or the impeller may be damaged and in need of replacement. Also, it's best to contact a professional plumber or technician to take a look at the pump and make any necessary repairs. Thank you for trusting PlumbersStock. Enjoy the rest of your day!