United States Stove 22AF Trouble Shooting Tips For Warm Air Furnace, List of Problems, Solutions

TROUBLE SHOOTING TIPS FOR WARM AIR FURNACE

List of Problems	Possible Cause	Solutions
1. Smoking when feed door is open.	a) Insufficient draft.	a) Open spin dampers.
	b) Clogged chimney or chimney	b) Clean chimney.
	connector.
	c) Down draft in chimney.	c) Add raincap to chimney.
2. Furnace does not heat.	a) Wood not seasoned and dry.	a) Allow wood to season in a dry, well
		ventilated area for six months.
	b) Blower control set too low.	b) Set blower control to higher
		temperature (See Page 19).
	c) Insufficient flue draft.	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 - fan running.	a) Registers are closed.	a) Open registers.
	b) Duct work improperly installed.	b) Correct duct work installations.
	c) Improper wiring between central	c) Wire unit properly.
	furnace and Model 22AF.
5. Air from registers is not hot.	a) Blower control set too low.	a) Adjust blower control to higher
		setting (See Page 19).
	b) Bad blower control.	b) Replace blower control.
6. Blower runs too long.	Blower control cut off set too low.	Set blower control cut off to higher
		setting (See Page 19)
7. Blower does not run long enough.	a) Blower control cut off set too high.	a) Set blower control cut off to lower
		setting (See Page 19).
	b) Bad blower motor.	b) Replace blower.
8. Smoke and/or odor from registers	Oil from furnace and duct work.	The metal used in construction of the
when furnace is used for first time.		furnace and duct work has a light
		coating of oil. This should disappear
		after a short period of time. Once this
		burn-off has occurred, it should not
		reoccur.
9. Creosote build-up.	a) Burning green wood (not seasoned	a) Burn only seasoned wood.
	or dry).
	b) Thermostat setting too low for type	b) Set thermostat higher to attain
	fuel.	higher flue temperatures. This will aid
		in preventing build-up of creosote.
10. Flame spillage when feed door is	a) Insufficient draft.	a) Open stack damper.
open.	b) Smothering fire when adding fresh	b) Add fuel so as not to smother fire.
	fuel.

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