Nesco 6033 - Manual (Page 22)

22 USSC
TROUBLE SHOOTING
Unplug stove before preforming any maintenance work
PROBLEM CAUSES SOLUTIONS
? Fire burns with a lazy, orange flame
and/or fuel builds up in the firepot
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Insufficient combustion air
Feed rate too high
Corn or wood pellets have too much
moisture
Combustion/Exhaustion blower
plugged or going out
Venting plugged with fly ash or ice
House does not have adequate make
up air (negative pressure)
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Remove any clinkers or ash from the
firepot by using scraping tool. Shake
ashes into ash pan.
Clean out primary air in firepot holes
if plugged.
Empty ash drawer and clean out back
heat exchanger by removing the
lower access plates.
Tap the side exhaust heat exchang-
ers to clean them as shown on page
Change to a better grade of fuel if
necessary. See page 5-6 regarding
fuel quality.
Check that damper control knob is
adjusted properly. Pull out to increase
fire burn.
Check gasket seal around the door.
If the door is loose, adjust the handle
latch. A small adjustment can be
made to the door seal by adjusting
the door latch rod and/or the door
hinges. Replace the door gasket if
necessary.
Check for blockage in the air inlet
tube or exhaust pipe. Clean out as
necessary.
Check combustion exhaust lower
impeller. This can be done remov-
ing the exhaust pipe and shining a
light into the tube.
Replace combustion exhaust blower
if necessary.
NOTE: Negative pressure in a home is
a serious issue. All American Harvest
appliances should be installed with
outside air hookups.
Also make sure that adequate ventila-
tion is supplied for the rest of the home
or the unit will become the air intake
causing problems.