American Water Heater 6510319 Troubleshooting Chart, Problem Possible Causes Corrective Action

TROUBLESHOOTING CHART (continued)

PROBLEM		POSSIBLE CAUSE(S)		CORRECTIVE ACTION
SLOW HOT WATER RECOVERY	1.	Insufficient secondary air	1.	Provide ventilation to water heater. Check flue way,
	2.	Flue clogged	2.	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.	Thermostat set too low	5.	Turn temperature dial to desired setting
	6.	Water heater too small	6.	Install adequate heater
	7.	Wrong piping connections	7.	Correct piping-dip tube must be in cold inlet
	8.	Wasted hot water	8.	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 SHUT	1.	Defective thermostat	1.	Replace thermostat
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 way,
FORMATION (SOOTING)	2.	Low gas pressure	2.	flue baffle, burner
				Check with gas utility company
	3.	Flue clogged	3.	Clean, locate source and correct
	4.	Defective thermostat	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 AND	1.	Orifice too large	1.	Replace with correct orifice
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.	Defective thermostat	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

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