Suburban furnace issue UPDATE
I have a Suburban SF-30-F furnace with Domestic single zone thermostat in my 2011 Wildwood trailer. I'm making a trip to Arizona next week and when checking systems, it is not working. Tests so fa...
Forum Discussion
There are several threads around here with a full diagnostic procedure, I worked one up myself and posted it several times. Mine is specificc to a Dometic but for this Surburan is identical.... In fact even teh control board I had to replace... FITS SELECTED SURBURANS.
Since you've done half hte uob
Suspects: Propane flow. Is the orifice clear or clogged, an insect likes to nest there.
Spark gap. often too big no spark = no ignition.
Now in my case Ignition happened but the control board did not sense it.
This can happen due to a very dirty sensor or a bad sensor.
in my case it was a bad control board so I went with Dinosaur Boards replacement
NOTE bad control board can also fail to spark,, Since that's where it comes from.
Since you've done half hte uob
Suspects: Propane flow. Is the orifice clear or clogged, an insect likes to nest there.
Spark gap. often too big no spark = no ignition.
Now in my case Ignition happened but the control board did not sense it.
This can happen due to a very dirty sensor or a bad sensor.
in my case it was a bad control board so I went with Dinosaur Boards replacement
NOTE bad control board can also fail to spark,, Since that's where it comes from.
