|This article applies to:|
This article is for the troubleshooting codes: E4 H2 H1 Hi F6
This means the thermostat did not detect a heater connected to Mysa's load wire. A good way to check this is to make sure the wires connecting Mysa to your heater are touching in the wire nut. As more wires are put in a wire nut it is possible for them to come loose from each other.
E4, H1, Hi and F6
For all of these codes please contact support to receive further instructions.