State Industries A B C D E F 100 instruction manual Troubleshooting Guidelines, Problems

TROUBLESHOOTING GUIDELINES

These guidelines should be utilized by a qualified service agent.

PROBLEMS
	1.) Blower will not run.
	a. “ON/OFF” control switch turned off.	Turn switch to the “ON” position.
	b. Blower unplugged.	Plug blower back into 115 VAC outlet.
	c. No power at outlet.	Repair service to outlet.
	d. Thermostat defective.	Replace thermostat.
	e. Control harness defective.	Replace control harness.
		Reduce the water temperature below 140°F.
		Turn the power switch to the off position.
	f. High limit control circuit open.	Wait 10 seconds. Turn the power switch to
		the on position. Reduce the temperature set
		point to minimize likelihood of reoccurrence. If
		this does not solve the problem, replace the
NOT ENOUGH HOT WATER		thermostat.
	g. Blower motor defective.	Replace blower assembly.
	2.) Thermostat problems
	a. Thermostat set too low.	Adjust temperature control higher.
	b. Thermostat or ECO defective	Replace thermostat.
	3.) Others
	a. Heater undersized..	Reduce hot water use.
	b. Low gas pressure	Contact dealer.
	c. Incoming water is usually cold.	Allow more time for heater to reheat.
	d. Leaking hot water pipes of fixtures.	Have plumber check and repair leaks.
	e. Heater not lit or thermostat not on.	Refer to LIGHTING INSTRUCTIONS.
VENT PIPE TOO HOT (ABOVE 170°F [77°C])	Wrong burner orifice.	Turn off heater and gas, clean burner head.
	Dirt in burner ports.	Turn off heater and gas, clean burner head.
		Check exhaust venting and air openings
YELLOW FLAME	Combustion air path restricted.	in bottom base pan for obstructions or
		blockage.
CONDENSATION	Water on the floor under heater.	See CONDENSATION section.
	Improperly sealed, hot or cold supply	Check for leaks. See Figure 1.
	connections, relief valve, drain valve or
WATER LEAKS	thermostat threads.
	Leakage from other appliances or water lines.	Inspect other appliances near water heater.
	Condensation of flue products.	Refer to CONDENSATION section.
	Thermal expansion in closed water system.	Install thermal expansion tank (Do not plug
LEAKING T & P		T&P valve).
	Improperly sealed valve.	Check relief valve for proper operation (Do
		not plug T&P valve).
HOT WATER ODORS	High sulfate or mineral content in water	Drain and flush heater thoroughly then refill.
	supply.
(refer to cathodic protection)
	Bacteria in water supply.	Chlorinate water supply.
HOT WATER TOO HOT	Thermostat set too high.	Refer to TEMPERATURE REGULATION
		section.
WATER HEATER SOUNDS	Condensation dripping on burner.	Refer to CONDENSATION above.
SIZZLING - RUMBLING	Sediment at bottom of heater tank.	Clean sediment from tank . Refer to
		DRAINING.
SOOTING	Improper combustion.	Refer to Air Requirements.
	Outlet polarity is reversed.	Test polarity and correct.
BURNER WILL NOT STAY LIT-GOES OUT	High ambient room temperature.	Contact a qualified service agency to
4-5 SECONDS		determine cause.
	Defective gas valve.	Replace gas valve.
	Lack of air supply.
VENT GAS ODORS	Improperly installed vent piping.	Shut off water heater immediately and contact a
	Downdraft	qualified service agency to determine cause.
	Poor Combustion

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