EWC Controls Forum

SOLVED: I have determined the board is working properly, as I used a meter to test System outputs. The furnace board is being flaky.

Specs: BMPlus3000 rev B Conventional / Gas / Single Stage Using Zone 1 with 2 dampers. Zone 2 with 1 damper. 2 Stats - Both Sensi units. Configured for Gas 1 Stage as well. Problem: This unit works perfectly 90% of the time. Other times, the HVAC will not click on for heat. The LEDs show properly ...