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Error code reference
Electrolux Water Heater Error Codes
27 error codes documented with diagnostic procedures.
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05Service reminder10Combustion abnormality (BTU Drop)11Ignition failure (initial flame fault detection).12Flame rod does not detect flame (flame fault detection)14Overheat Prevention Device (Thermal Fuse) triggered.16Abnormally high output temperature.20High limit switch triggered.29Condensate trap/drain trap clogging or abnormality.30Air inlet thermistor abnormality (open or short circuit).31Inlet thermistor abnormality (open or short circuit).32Outlet thermistor abnormality (open or short circuit).33Heat exchanger thermistor abnormality (open or short circuit).35Exhaust thermistor abnormality (open or short circuit).51Failure of gas solenoid valve (other than drive circuit).61Fan motor abnormality.65Main flow control valve / heat exchanger flow control valve abnormality.66Bypass flow control valve abnormality (EN19 models).70Circuit board abnormality / failure.71Gas solenoid valve drive circuit abnormality on the circuit board.72Flame rod circuit abnormality73Circuit board setting abnormality (dip switch setting, hard dip switches, etc.).760Remote controller transmission abnormality.90Combustion abnormality (warning indication / unit shuts off).91Improper gas type.94Exhaust temperature is too high.99Combustion abnormality (unit shuts off).F76Multi-system communication error.
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