I have air buttons controlling my jets. When I hit the "jets" air button, the jets only stay on for a few seconds and then shut off. The pump keeps running on lo speed. I can't tell if I have an air button problem or a pump problem. Pump was recently replaced. How can I troubleshoot this problem?

Pool & Spa - Waterway - 1 Hp 115 Volt 2 Speed Side Discharge Spa / Hot Tub Pump 1.5"...