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Slow Flash
N/A
Normal operation.
Standby Mode.
● No problem.
Fast Flash
N/A
Normal operation.
Heat Mode.
● No problem.
1 Flash 1 Flash
Lockout condition.
Ignition Failure.
● Third failed ignition attempt. Unplug to reset
control. Contact qualified service technician.
● Make sure manual gas shutoff valve is open.
● If pressure is too high, the valve will not
operate.
l● Clean any scale buildup from burner and pilot
assembly. (Refer to page 26)
● The spark ignitor assembly could be damaged
or broken. If so, replace assembly.
● Bleed air from gas line. (Refer to page 28)
2 Flashes 1 Flash
Lockout condition.
Flammable Vapors Present.
● Contact local qualified service technician.
2 Flashes 3 Flashes
Lockout condition.
FVD Interface Failure/Miswiring
(Flammable Vapor Sensor Failure).
● Contact local qualified service technician.
3 Flashes 1 Flash
Lockout condition.
Pressure Switch Fails to Open.
● Contact local qualified service technician.
3 Flashes 3 Flash
Lockout condition.
Pressure Switch Fails to Close.
● Contact local qualified service agent.
Inspect vent pipe and dilution air inlet for
blockage. (Refer to “Routine Preventive
Maintenance” Section.)
4 Flashes 1 Flash
Lockout condition.
Line/Neutral Polarity Failure.
● Check the electrical supply outlet.
4 Flashes 2 Flash
Lockout condition.
ECO Failure.
● Contact local qualified service technician.
4 Flashes 3 Flash
Lockout condition.
False Flame (Unwanted Flame
Present).
● Unplug to restart control. Contact local
qualified service technician.
5 Flashes -
Vacation Mode Active ● Select desired temperature setting.
LED Steady ON N/A
Lockout condition.
System Error, Cycle Power.
● Contact local qualified service technician.
30
Gas Valve LED Error Codes
CAUTION: For your safety DO NOT attempt repair of gas piping, remote control, burners, vent connectors or other safety
devices. Refer repairs to qualified service personnel.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous
operation. VERIFY PROPER OPERATION AFTER SERVICING.
Customer Service Troubleshooting Tips Care and Cleaning Operating Instructions Installation Instructions Safety Instructions