New Buck Corporation FS 21 - Manual (Page 31)

Page 29
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Sluggish Heater Obstruction in chimney Check for and remove
obstruction
Wet or unseasoned wood
being burned. Burn dried natural seasoned
hard wood.
Poor chimney draft Improper chimney height or
wrong size flue is being used.
Cooler temperatures caused
by external chimney.
High Fuel Consumption Improper regulation of draft
or inlet air (a) Close inlet air control as
much as possible to
maintain desired heat
output.
(b) Check gaskets, reinstall
fiberglass gasket around
doors and glass as
necessary
Improper door fitting Check door gasket, check
adjustment of door latch.
Backpuffing Gusts of Wind Chimney may need wind
diverts. Raise chimney for
better draft.
Smoke rolls out when heater
door is opened. Wind gusts blowing down the
chimney Chimney may need wind
diverts. Raise chimney for
better draft.
Opening heater door too fast Crack door for 15 seconds
before fully opening door.
SECTION VII