Heatilator C40 Owner's Manual page 27

O verhead fan
op erating?
Figure 5.1 Factory-built Fireplaces: Troubleshooting
A nother ap p liance in
home also ex hau sting
air ( fu rnace, fan,
U nsealed
dry er, etc.) ?
can lights?
A ir register from
fu rnace near
firep lace?
D oors op ening
and closing?
Window closed
C ombu stion
for start- u p ?
air control
Heatilator • Constitution Owner's Manual • 480-2330 • Rev C • 4-10-13
O verhanging
tree?
B ird' s nest
or leaves in
termination
cap ?
Stru ctu ral
changes in
chimney area?
C reosote bu ildu p
in flu e?
O u tside air
closed?
2