50a50 206 controller - http://www.hvacmechanic.com/ Forums
Original message
| midwestguy954
 |  "50a50 206 controller"
, posted Wed 22 Oct 20:36  
I have a 50a50 206 controller on my furnace. It flashes three lights indicating the pressure switch has a problem. I can see it is being made as the blower is coming on and I bypassed it as well. Still I loose main fire after about a minute and get the three flashes. What does this indicate? Thanks.
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