Error Code	Symptom	Fault Type	Guide
E01	Kenmore electric water heater with electronic display shows E01 and will not heat water	Upper Thermistor / Temperature Sensor Failure	View Details
E02	Kenmore electric water heater displays E02 and water temperature is erratic or no hot water	Lower Thermistor / Temperature Sensor Failure	View Details
E03	Kenmore electric water heater shows E03 and will not heat or overheats briefly then shuts down	Upper Heating Element Circuit Fault	View Details
E04	Kenmore electric water heater displays E04 and water is only lukewarm or cold	Lower Heating Element Circuit Fault	View Details
E05	Kenmore electric water heater shows E05 and shuts down heating, sometimes after very hot water	High Limit Switch / ECO (Energy Cut-Off) Tripped	View Details
E06	Kenmore electric water heater displays E06 and does not respond to temperature adjustments	User Interface / Keypad Communication Error	View Details
E07	Kenmore electric water heater shows E07 and will not heat; sometimes breaker trips	Line Voltage / Power Supply Error	View Details
E10	Kenmore gas water heater with electronic control displays E10 and will not ignite	Ignition Failure / No Flame Detected	View Details
E11	Kenmore gas water heater shows E11 and shuts down after attempting to light	Flame Loss / Unstable Flame	View Details
E12	Kenmore gas water heater displays E12 and will not attempt ignition	Pressure Switch / Combustion Air Proving Failure (Power Vent Models)	View Details
E13	Kenmore gas water heater shows E13 and shuts down; blower may continue to run	Flue / Exhaust Overheat or Blockage Detected	View Details
E20	Kenmore hybrid (heat pump) water heater displays E20 and runs only on electric elements	Evaporator Coil Temperature Sensor Fault	View Details
E21	Kenmore hybrid water heater shows E21 and heat pump mode is disabled	Condenser Coil Temperature Sensor Fault	View Details
E22	Kenmore hybrid water heater displays E22 and may shut down heat pump operation	Ambient Air Temperature Sensor Fault	View Details
E23	Kenmore hybrid water heater shows E23 and may run loudly or not heat efficiently	Compressor Overload / Overheat Protection Trip	View Details
E30	Kenmore water heater with leak detection system displays E30 and shuts off heating	Leak Sensor / Pan Water Detected	View Details
E31	Kenmore water heater shows E31 leak sensor error even though no water is present	Leak Sensor Circuit Fault	View Details
E40	Kenmore water heater displays E40 and water temperature is much hotter or colder than the setpoint	Temperature Calibration / Sensor Mismatch Error	View Details
E50	Kenmore water heater shows E50 and will not power on the display or respond to inputs	Internal Control Board Failure	View Details
–	Kenmore electric water heater produces only a small amount of hot water, then quickly turns lukewarm	Lower Heating Element or Thermostat Failure	View Details
–	Kenmore gas water heater burner cycles on and off rapidly (short cycling)	Improper Combustion or Thermostat Sensing	View Details
–	Kenmore gas water heater has no hot water; pilot is lit but main burner does not come on	Gas Control Valve or Thermostat Failure	View Details
–	Kenmore gas water heater pilot will not stay lit (standing pilot models, no electronic display)	Thermocouple Failure or Weak Pilot Flame	View Details
–	Kenmore hybrid (heat pump) water heater is very noisy during operation	Excessive Vibration or Fan/Compressor Noise	View Details
–	Kenmore hybrid water heater frequently switches to electric resistance mode instead of heat pump mode	Heat Pump Capacity Limitation or Sensor Control Logic	View Details
–	Kenmore water heater causes water hammer or banging noises in pipes when hot water is turned off	Hydraulic Shock / Water Hammer	View Details
–	Kenmore water heater emits a rotten egg or sulfur smell from hot water taps	Hydrogen Sulfide Odor Due to Anode Reaction	View Details
–	Kenmore water heater installed in a garage has burner flame rolling out or scorching around access door	Flame Rollout / Combustion Air Restriction	View Details
–	Kenmore water heater makes popping or rumbling noises during heating	Sediment Buildup and Boiling Under Sediment Layer	View Details
–	Kenmore water heater outer jacket feels excessively hot to the touch	Insulation Degradation or Overheating	View Details
–	Kenmore water heater produces discolored (rusty or brown) hot water	Internal Corrosion or Rust in Tank / Piping	View Details
–	Kenmore water heater takes a very long time to recover after hot water use	Insufficient Heating Capacity or Element Underperformance	View Details
–	Kenmore water heater trips the circuit breaker repeatedly	Electrical Overload or Short Circuit	View Details
–	Kenmore water heater’s hot water temperature fluctuates noticeably during a shower	Inconsistent Temperature Control or Cross-Connection	View Details
–	Kenmore water heater’s temperature and pressure (T&P) relief valve is dripping or discharging water	Excessive Pressure or Temperature / Faulty T&P Valve	View Details
–	No hot water at all from a Kenmore electric water heater (no error code, analog thermostat model)	Complete Power Loss or Upper Thermostat / ECO Trip	View Details
–	Water leaking from the bottom of a Kenmore water heater	Tank Rupture or Drain Valve Leak	View Details
–	Water leaking from the top of a Kenmore water heater around the hot or cold connections	Leaking Dielectric Nipples or Loose Plumbing Connections	View Details

Kenmore Water Heaters Error Codes

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