Thanks again Robert, He pulled the orifice cleaned everything including the gas valve. He is telling me the only thing it could be is no oem ignitor or control board not reading the signal for rectification properly. With the Red led gone on the control board not giving any codes, I ordered a new on...

Thanks Robert. HVAC tech was out today, tested Gas valve checked everything. He says it may need to have an OEM HSI for proper rectification. Or it need a control board. Can the control board be bad if all functions properly except for the flame out issue? Also must it be an OEM ignitor? Thanks for ...

I have a Miller M1mb 070 Abw. I am getting a weak flame fault. The furnace will fire and ignite, the blower motor kicks on and will run for about 2 minutes then all shuts down. I had an HVAC tech install a new HSI, he also noticed the roof jack had rusted at the cap. This was replaced and the proble...