Have HVAC Questions? Ask an HVAC Expert for Answers
Hello, My name is XXXXX XXXXX I will do my best to help you today.
If the limit fault is flashing and you jump all the limits out and it still flashes then you have a bad smart valve. These valves are notorious for losing their connection with the plugs and the only cure is a new valve. Most of the time when it is in this fault you can wiggle and press on the plugs and get it to finally catch.