American Water Heater Residential Gas Water Heater with the Flame Guard Safety System, 319407-002

PROBLEM		POSSIBLE CAUSE(S)		CORRECTIVE ACTION
BURNER FLAME YELLOW-	1.	Insufficient secondary air	1.	Provide ventilation to water heater
LAZY	2.	Low gas pressure	2.	Check with gas utility company
	3.	Flue clogged	3.	Clean, locate source and correct
	4.	Flue damper partially open	4.	Cycle gas control valve/thermostat OFF then
	5.	Main burner line clogged	5.	ON. If problem persists replace damper
				Clean, locate source and correct
	6.	Heater installed in a confined area	6.	Proper fresh air ventilation
	7.	Obstruction in main burner orifice	7.	Clean or replace orifice
HIGH OPERATION COSTS	1.	Thermostat set too high	1.	Set temperature dial to lower setting
	2.	Sediment or lime in tank	2.	Drain/flush-provide water treatment if needed
	3.	Water heater too small for job	3.	Install adequate heater
	4.	Wrong piping connections	4.	Correct piping-dip tube must be in cold inlet
	5.	Leaking faucets	5.	Repair faucets
	6.	Gas leaks	6.	Check with utility-repair at once
	7.	Wasted hot water	7.	Advise customer
	8.	Long runs of exposed piping	8.	Insulate piping
	9.	Hot water piping in exposed wall	9.	Insulate piping
	10.	Flue Damper seal not functioning	10.	Replace the flue damper
INSUFFICIENT HOT WATER	1.	Thermostat set too low	1.	Turn temperature dial to desired setting
	2.	Sediment or lime in tank	2.	Drain/flush-provide water treatment if needed
	3.	Water heater too small	3.	Install adequate heater
	4.	Wrong piping connections	4.	Correct piping-dip tube must be in cold inlet
	5.	Leaking faucets	5	Repair faucets
	6.	Wasted hot water	6.	Advise customer
	7.	Long runs of exposed piping	7.	Insulate piping
	8.	Hot water piping in outside wall	8.	Insulate piping
	9.	Low gas pressure	9.	Check with gas utility company
SLOW HOT WATER	1.	Insufficient secondary air	1.	Provide ventilation to water heater. Check flue
RECOVERY	2.	Flue clogged	2.	way, flue baffle, and burner
				Clean flue, locate source and correct
	3.	Low gas pressure	3.	Check with gas utility company
	4.	Improper calibration	4.	Replace thermostat
	5.	Water heater too small	5.	Install adequate heater
	6.	Wrong piping connections	6.	Correct piping-dip tube must be in cold inlet
	7.	Wasted hot water	7.	Advise customer
DRIP FROM RELIEF VALVE	1.	Excessive water pressure	1.	Use a pressure reducing valve and relief valve
	2.	Heater stacking	2.	Lower the thermostat setting
	3.	Closed water system	3.	See “Closed System/Thermal Expansion”
THERMOSTAT FAILS TO	1.	Thermostat not functioning properly	1.	Replace thermostat
SHUT-OFF	2.	Improper calibration	2.	Replace thermostat
COMBUSTION ODORS	1.	Insufficient secondary air	1.	Provide ventilation to water heater. Check flue
	2.	Flue clogged	2.	way, flue baffle, and burner
				Clean, locate source and correct
	3.	Heater installed in a confined area	3.	Provide fresh air ventilation
SMOKING AND CARBON	1.	Insufficient secondary air	1.	Provide ventilation to water heater. Check flue
FORMATION (SOOTING)	2.	Low gas pressure	2.	way, flue baffle, burner
				Check with gas utility company
	3.	Flue clogged	3.	Clean, locate source and correct
	4.	Thermostat not functioning properly	4.	Replace thermostat
	5.	Heater installed in a confined area	5.	Provide fresh air ventilation
	6.	Burner flame yellow-lazy	6.	See “Burner Flame Yellow-Lazy”
CONDENSATION	1.	Temperature setting too low	1.	Increase the temperature setting
BURNER FLAME FLOATS	1.	Orifice too large	1.	Replace with correct orifice
AND LIFTS OFF PORTS	2.	High gas pressure	2.	Check with gas utility company
	3.	Flue clogged	3.	Clean flue and burner-locate source and correct
	4.	Cold drafts	4.	Locate source and correct
BURNER FLAME TOO HIGH	1.	Orifice too large	1.	Replace with correct orifice
FLAME BURNS AT ORIFICE	1.	Thermostat not functioning properly	1.	Replace thermostat
	2.	Low gas pressure	2.	Check with gas utility company
PILOT FLAME	1.	Pilot line or orifice clogged	1.	Clean, locate source and correct
TOO SMALL	2.	Low gas pressure	2.	Check with gas utility company
SMELLY WATER	1.	Sulfides in the water	1.	Replace the anode with a special anode

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