Trouble Shooting Tips for Warm Air Furnace

LIST OF PROBLEMS

POSSIBLE CAUSE

SOLUTIONS

1.

Smoking when feed door is

a) Insufficient Draft.

a) Set thermostat higher.

 

open.

b) Clogged chimney or chimney

b) Clean chimney.

 

 

connector.

c) Add raincap to chimney.

 

 

c) Down draft in chimney

 

 

 

 

 

2.

Furnace does not heat.

a) Wood not seasoned and dry.

a) Allow wood to season in a dry,

 

 

 

well ventilated area for 6 mo.

 

 

b) Blower control set too low.

b) Set blower control to higher

 

 

c) Insufficient flue draft.

temperatures.

 

 

 

c) Set flue draft. (See page 9)

 

 

 

 

3.

Blower does not run.

a) Improperly wired.

a) Wire unit properly.

 

 

b) Bad blower control.

b) Replace blower control.

 

 

c) Bad relay.

c) Replace relay.

 

 

d) Bad blower motor.

d) Replace blower.

 

 

 

 

4.

No air from registers-

a) Registers are closed.

a) Open registers.

 

fan running.

b) Duct work improperly installed.

b) Correct duct work installations.

 

 

c) Improper wiring between cen-

c) Wire unit properly.

 

 

tral furnace and Model 1303.

 

 

 

 

 

5.

Air from registers is not hot.

a) Blower control is set too low.

a) Adjust blower control to

 

 

 

higher setting.

 

 

b) Bad blower control.

b) Replace blower control.

 

 

 

 

6.

Blower runs too long.

a) Blower control cut-off set too

a) Set blower control cut-off

 

 

low.

to higher setting.

 

 

 

 

7.

Blower does not run long

a) Blower control cur-off set too

a) Set blower control cut-off to

 

enough.

high.

lower setting.

 

 

b) Bad blower motor.

b) Replace blower.

 

 

 

 

8.

Smoke and/or odor from

Oil from furnace and duct work.

The metal used in construction

 

registers when furnace is

 

of the furnace and duct work has

 

used for first time.

 

a light coating of oil. This should

 

 

 

disappear after a short period of

 

 

 

time. Once this burn-off has oc-

 

 

 

curred, it should not reoccur.

 

 

 

 

9.

Creosote build-up.

a) Burning green wood (not

a) Burn only seasoned wood.

 

 

seasoned or dry).

 

 

 

b) Thermostat setting too low for

b) Set thermostat higher to at-

 

 

type fuel.

tain higher flue temperatures.

 

 

 

10. Flame spillage when feed

a) Insufficient draft.

a) Set thermostat higher.

 

door is open.

b) Smothering fire when adding

b) Add fuel so as not to

 

 

fresh fuel.

smother fire.

 

 

 

 

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United States Stove 1321 warranty List of Problems Possible Cause Solutions