cecilsmith
Jan 10, 2010, 01:50 PM
When turning furnace on the burner goes on and off three time then shuts its self back off. What could this be?
hvac1000
Jan 10, 2010, 01:55 PM
Clean the flame sensor with fine sand paper or steel wool.
cecilsmith
Jan 10, 2010, 02:16 PM
On concord 80 furnace when turning on burner fires four or five times but never stays on could it be the limit switch? If so witch one?