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gschvach  
#1 Posted : Saturday, October 25, 2014 11:44:41 AM(UTC)
gschvach

Rank: Member

Groups: Registered
Joined: 9/12/2012(UTC)
Posts: 25

The current problem with the furnace is that it will try to start and will fail because of not being able to close the pressure switch. After a few attempts it goes into a lockout mode.

I would go and open the top compartment the furnace would fire without any hesitation.

What I’ve checked and done:


[LIST=1]
  • Pressure switch was replaced to rule it out.
  • I disconnected rubber drain hoses and flushed them with water/bleach mixture. Water run freely through the hoses to the trap and down
  • With furnace running I went outside to observe intake and exhaust pipes. I’m not a pro, but it looked like the suction was good and the exhaust was blowing strong.[/LIST]
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