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A. O. Smith Appliance Error Codes

A. O. Smith: 2 error codes with meaning, severity, likely causes and repair cost estimates.

2Codes
2.5Average severity
0%High or critical
0%DIY-friendly
Severity distributionSeverity distribution

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E02 A. O. Smith · Water Heater / Boiler The tank water got hotter than the safety limit, so the ECO cut power to both elements – reset… Moderate E04 A. O. Smith · Water Heater / Boiler The electronic thermostat can't power the upper element; the lower one still works, so hot… Low

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A. O. Smith Water Heater / Boiler 2