1. Communication wire disconnected
2. Faulty Sola controller
1. See, “System Disconnected!” above.
2. If 24VAC present at Sola controller terminals J8 1 & 2, check Power LED on Sola controller. Verify that connector J8 is securely plugged into the Sola controller. Recycle power to appliance, if Sola controller does not operate, replace the Sola controller.
