Overhead fan
operating?
Figure 5.1
Factory-built Fireplaces: Troubleshooting
Another appliance in
home also exhausting
air (furnace, fan,
Unsealed
dryer, etc.)?
can lights?
Air register from
furnace near
fireplace?
Doors opening
and closing?
Window closed
Combustion
for start-up?
air control
Heat & Glo • Exclaim-36/42 Owner's Manual • 4013-267 • Rev S • 03/23
Overhanging
tree?
Bird's nest
or leaves in
termination
cap?
Structural
changes in
chimney area?
Creosote buildup
in flue?
Outside air
closed?
19