Water Heaters Error Codes

Leak detected by leak sensor (Shutoff valve error, check valve failure etc.).

Heating without water present - dry fire detected.

Service alerts that continuously generate a beeping sound until corrected.

Thermistor Error.

High Temperature Limit Exceeded.

Leak Detection Alert.

The gas shut-off valve is not fully opened.

Gas service has been interrupted.

Condensation trap is clogged.

Air intake or vent exhaust opening may be blocked.

Not enough water flow to operate the unit.

Element relay stuck on, conversion errors or protection failure in upper/lower temperature systems.

Wire disconnection or error in upper/lower element wiring or ECO tripped, etc.

Leak detected or shutoff valve error. The SERVICE NEEDED LED will blink red or remain solid red.

Drain error — water is not draining from the unit.

Multiple alert states like disconnection of lower thermistor, configuration data failure etc.

A confirmation signal after resolving Wi-Fi connectivity issues.

Failures involving Wi-Fi connection to router, SSID or password changes.