79
PROBLEM CAUSE SOLUTION PROCEDURE
Creosote buildup Air leakage around door. Replace Door Gasket
Refer to “Firebox Door
Gasket”
Firebox receiving air some-
where when fans are off.
Check all seals for air
leaks. Run a smoke check.
Refer to “Checking for Air
Leaks.”
Fire is not burning hot.
Check type of wood burn-
ing and if blowers working
properly.
Refer to “Types of Wood,
Combustion Air Blower /
Flipper Assembly”
Burning high surface area
wood (small pieces).
Add larger pieces of wood. Refer to “Types of Wood”
Air ow is not sufcient for
the type of fuel.
Check and clean fan clean
ipper assembly.
Refer to “Combustion Air
Blower / Flipper Assembly”
Ashes in Air Box(s) Clean Air Box(s) Refer to “Air Box(s)”
Chimney Plugged Clean Chimney Refer to “Chimney”
Burning wet wood. Add dryer wood as fuel. Refer to “Types of Wood”
Burning unseasoned wood
Add seasoned wood to
your fuel
Refer to “Types of Wood”
Flue plugged Clean Flue Refer to “Flue”
Water temperature not
being held in the 140-180˚
Fahrenheit range
Consult Dealer Contact your Local Dealer
Thermometer (temp
gauge) exceeds 212˚
Fahrenheit. Furnace is not
boiling.
Low water level.
Add water (Let Furnace
cool rst)
Refer to “Water Level
Maintenance”
Charcoal buildup in rear
of rebox.
Excessive ashes. Remove ashes.
Refer to “Ash Management
and Ash Removal”
Failure to rake ashes
periodically
Rake ashes.
Refer to “Ash Management
and Ash Removal”
Blower continues to
operate and display shows
a higher than setting
temperature
Water level is low Add water
Refer to “Filling the
HEATMOR™ Outdoor
Furnance Initially with
Water”
Defective Electronic
Controller
Replace Electronic
Controller
Refer to “Electrical
(Electronic Controller)”
Defective temperature
probe.
Replace temperature
probe
Refer to “Electrical
(Electronic Controller)”
Too much smoke comes
out rebox door while
loading
Opening rebox door when
there is fuel still inside.
Do not add so much fuel all
at one time.
Refer to “Loading wood
into the HEATMOR™”
Burning wet wood or poor
quality wood.
Add dryer, seasoned wood. Refer to “Types of Wood”
Opening door within two
minutes of blowers turning
off.
Open door sooner or wait
for next cycle to start
Refer to “Loading wood
into the HEATMOR™”
Firebox air leak
Check all seals for air
leaks. Run a smoke check.
Refer to “Air and/or Water
Leaks”
Water temperature is low. Fuel re.
Refer to “Loading wood
into the HEATMOR™”
Furnace pad has not been
raised above ground level.
Raise pad
Refer to “Loading wood
into the HEATMOR™”