Pool and Spa
Questions about Pool Repair? Ask an Expert Online.
A flo2 error is a message indicating there is a problem with your flow switch. It usually means the switch is open when it should be closed. First of all you can visually look at it to be sure there is no debris stuck in the valve (most of them are clear plastic). If not it probably needs to be replaced. This is easy to do. Here is a picture of a flow switch attached.
This is a common repair on a hot tub.