We have a Coleman furnace Model SV9500. The main
burner has to cycle numerous times before it stays
lit. When heat is demanded it clicks and the glow
plug comes on and the burner lites, stays lit just
a second then goes out. It then repeats this cycle
steadily until finally it stays lit for awhile,
then it will start this same cycle all over again.
Our repairman has cleaned the flue area inside the
furnace and adjusted a pressure switch all to no
avail. I believe he is lost. Can anyone give us
ideas of where to look or who to contact.
Ok..first, you need a Coleman, or York dealer that knows those units.
www.york.com, or www.coleman.com
Click on the find dealer link, and type in your zip code, and it will give
you a list of dealers in your area that are qualified to work on the unit.
Now, it COULD be as simple as....reversed polarity at the machine.
Common..seen it more than one time.
It could be, a dirty flame sensor, or a bad module.....and I would lean
towards the module, particularly if its the old Robertshaw grey box...common
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