HVAC
I have a 2004 Carrier 58mvp 120 130btu 1HP Ecm motor, with a HK42FZ022 board. Every time there is a power bump the furnace defaults to high blower speed. The AC works but no heat, I then I have to remove the model plug, switch on sw1-6, run the test mode until code 11 flashes, slide dip switch...