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Page 26 USSC
Trouble-Shooting
TROUBLE-SHOOTING, PROBLEM SOLVING FOR YOUR FURNACE
1.
2.
3.
Problem: Smoke puffs from furnace.
Solution:
A. Check chimney draft. Check for blocked chim
ney or flue pipe. Use mirror to check chimney
clearance.
B. Check ash pit - if too full, empty.
C. Make sure furnace room is not too airtight.
D. Make sure all chimney mortar connections are
air tight.
E. Check clean out door. Make sure it's airtight.
F. Check chimney for possible down-draft caused
by taller surrounding trees or objects. Correct
with proper chimney vent cap.
G. Check the possibility of cold chimney forcing
cool gas blockage. Remedy by properly insu
lating chimney with noncombustible liner and
non- combustible insulation.
H. Fuel may be too wet.
I. Make sure no other fuel burning devices are
connected to the chimney impairing the draft.
Problem: Inadequate heating being delivered to your
home.
Solution:
A. Check home insulation - is it adequate?
B. Check hookup to furnace - is it installed cor
rectly? (review manual)
C. Cool air inlet may be inadequate or furnace
room too airtight, 14" inlet for 12" outlet.
D. Your wood fuel may be too low grade. Hard
woods are recommended.
E. Make sure your hot air duct (and other duct
work) is airtight.
F. If furnace room is warm but your home isn't,
check back draft dampers.
G. Is air inlet to the blower open? Check filters.
H. Fuel may be too wet.
I. Check draft blower cover, setting 1/2" open
ing.
J. Rheostat setting is fully open.
Problem: Excess smoke or flames coming out door
when refueling.
Solution:
A. Open bypass damper. Wait 15 seconds and
open door slowly - then refuel.
B. Check length of flue pipe to chimney. Your unit
should be within six (6) feet of your chimney.
C. Make sure chimney cap is not too close to the
top of the chimney.
D. Check chimney draft-make sure chimney flue
pipe is clean and chimney is of adequate height.
E. Make sure you're not suffocating the fire with
excess amounts of unburned fuel.
Problem: Distribution blower vibrating.
Solution:
A. Tighten Allen Screw on squirrel cage.
B. Check for bad fan bearings.
C. Also oil 3-4 drops of 20w non detergent oil.
Problem: Distribution blower continues to run or will
not run.
Solution:
A. Check to see if thermodisc 110 degrees (top
right side) is faulty. Use match or lighter for
click or jumper wire.
B. Check to see that blower is properly wired. (See
Wiring and Assembly Instructions).
Problem: Draft blower continues to run or will not run.
Solution:
A. Check rheostat switch for on position. Check
wiring.
B. Check thermostat or thermostat wire for short.
C. Make sure temperature is calling for or not call
ing for heat. Set thermostat at 80 degrees.
D. Check to see if thermodisc 170 degrees (left
side) is faulty. Use match or lighter for click or
jumper wire.
Problem: Odor from first fire.
Solution:
A. The odor remains, call your dealer immedi -
ately. A defective weld can cause a fume leak.
Problem: Excessive creosote.
Solution:
A. Check the grade of wood you are burning.
B. Make sure your unit is serviced by its own
proper chimney.
C. check length of flue pipe and its connections.
D. Make sure you are burning the smallest, hot
test fire to adequately heat your home.
E. Also see Solutions to Problem 1.
F. Use a magnetic surface thermometer on flue
pipe and operate between 300 and 400 degrees.
Problem: Poor seal around unit door.
Solution:
A. Bend door latch in to tighten seals.
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