American Water Heater 319407-002 installation instructions Status Light Code Troubleshooting Table

STATUS LIGHT CODE TROUBLESHOOTING TABLE

Status Light Code

LED FLASH	CONTROL STATUS		CORRECTIVE ACTION
SEQUENCE
Short flash once every four second	IDLE (No call for heat, no fault conditions)
“Heartbeat”, alternates bright/dim	Call for Heat (No fault conditions)
One Flash, three second pause	Low Flame Signal (control continues to oper-	Turn the power switch on the gas control valve to the “OFF” position and unplug the power cord from the
	ate)	power outlet.
		1.	Check the incoming gas line pressure to ensure adequate supply to the water heater. If incoming
			gas supply pressure is adequate proceed to step 2.
		2.	Check all wiring connections and insure all harness and wires connections are seated firmly and
			provide proper electrical contact. If no connection problems are found proceed to step 3. Firmly
			seat any loose connections found. If any connections are found to be damaged consult the
			replacement parts list for the appropriate replacement. After any connection problems are fixed
			restart the water heater by following the lighting instructions on page 16. If the problem persists
			proceed to step 3.
		3.	Check condition of the base ring filter and flame trap. If they are clogged follow the instructions for
			cleaning on page 24. If parts are not clogged proceed to step 4. After cleaning follow instructions
			for lighting on page 16. If problem persists proceed to step 4.
		4.	Follow the instructions on page 23 to remove the burner assembly. Once the burner assembly has
			been removed inspect the manifold tube and burner, see figure 29, for any obstructions. If any
			clogs or obstructions are present clear them. Inspect the electrode/flame sense rod, see figure 35,
			for corrosion buildup, degradation, or damage. If there is evidence of any damage to the electrode/
			flame sense rod replace the igniter/pilot assembly. Follow the directions on page 25 to re-install the
			burner assembly into the combustion chamber. Follow the instructions for lighting on page 16. If the
			problem persists contact a certified service representative.
Two Flash, three second pause	End Switch Failed Closed	Look at the top of water heater to see if the damper is open, see figure 20. If the damper is open insure
		there is no obstruction that would prevent the damper from closing. If there are any obstructions turn
		the power switch on the gas valve to the “OFF” position, remove the obstruction, if the damper closes
		turn the power switch on the gas valve to the “ON” position. If there are no obstructions present turn the
		power switch on the gas valve to the “OFF” position. Observe the damper to see if the damper closes.
		If the damper does not close unplug the power cord from the power outlet and proceed to step 1. If the
		damper closes turn the power switch on the gas valve to the “ON” position.
		1.	Check all wiring connections to insure all harness and wire connections are seated firmly and
			provide proper electrical contact. If no connection problems are found replace the damper. Firmly
			seat any loose connections found. If any connections are found to be damaged consult the
			replacement parts list on page # for the appropriate replacement. After any connection problems
			are fixed restart the water heater by following the lighting instructions on page 16. If the problem
			persists replace the damper.
Three Flash, three second pause	End Switch Failed Open or TCO Limit Lockout	Turn the power switch on the gas control valve to the “OFF” position and unplug the power cord from the
		power outlet.
		1.	Attempt to depress the TCO door switch button, see figure # . If the TCO door switch button
			depresses follow the instructions for cleaning the filter and flame arrestor on page 24. After
			cleaning is completed follow the lighting instructions on page #. If the TCO door switch button
			does not depress proceed to step 2.
		2.	Follow the lighting instructions on page 16. Observe the damper during initial startup. If there is a
			call for heat and the damper opens allow the unit to continue to perform and monitor any change
			in status. If there is a call for heat and the damper does not open proceed to step 3.
		3.	Check all wiring connections to insure all harness and wire connections are seated firmly and
			provide proper electrical contact. If no connection problems are found replace the damper.
			Firmly seat any loose connections found. If any connections are found to be damaged consult
			the replacement parts list on page 31-32 for the appropriate replacement. After any connection
			problems are fixed restart the water heater by following the lighting instructions on page 17. If the
			problem persists replace the damper.
Four Flash, three second pause	ECO Limit Lockout	1.	Turn the power switch on the gas control valve to the “OFF” position, wait 10-20 seconds then turn
			the power switch on the gas control valve to the “ON” position. If the problem persists replace the
			gas control valve.
Five Flash, three second pause	Flame Out of Sequence	Turn the power switch on the gas control valve to the “OFF” position. Wait 10 minutes then follow the
		lighting instructions on page #. If the problem persists replace the gas control valve.
Six-One Flash, three second pause	Soft Lockout - Retry Limit - Failed TFI	Turn the power switch on the gas control valve to the “OFF” position and unplug the power cord from the
		power outlet.
		1.	Check the incoming gas line pressure to ensure adequate supply to the water heater. If incoming
			gas supply pressure is adequate proceed to step 2.
		2.	Check all wiring connections and insure all harness and wires connections are seated firmly and
			provide proper electrical contact. If no connection problems are found proceed to step 3. Firmly
			seat any loose connections found. If any connections are found to be damaged consult the
			replacement parts list for the appropriate replacement. After any connection problems are fixed
			restart the water heater by following the lighting instructions on page #. If the problem persists
			proceed to step 3.
		3.	Check condition of the base ring filter and flame arrestor. If they are clogged follow the
			instructions for cleaning on page 24. If parts are not clogged proceed to step 4. After cleaning
			follow instructions for lighting on page 16. If problem persists proceed to step 4.

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