Tag: ao-smith
All the articles with the tag "ao-smith".
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AO Smith Water Heater 3 Flashes — What It Means and How to Fix It
AO Smith water heater flashing 3 times? This means the pilot is out or won't stay lit. Here's how to diagnose the thermocouple and thermopile and fix it yourself.
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AO Smith Water Heater 4 Flashes — What It Means and How to Fix It
AO Smith water heater flashing 4 times indicates an igniter fault or flame sense failure. Learn what causes it, how to test the igniter, and which parts fix it.
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A.O. Smith Water Heater E1 Error Code — Sensor Fault Guide
A.O. Smith water heater E1 error means a temperature sensor fault. This guide covers gas and electric models, sensor testing, and how to fix or replace the sensor.
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A.O. Smith Water Heater Error Codes Guide
Complete A.O. Smith water heater error code guide. Covers Vertex, Voltex, ProLine tankless, and commercial models with fault codes and technician fixes.