Electrolux Range Error Code E51

E51 indicates a break or open circuit in the temperature sensor for the left front surface unit. The range monitors this sensor continuously through the generator board, and when the signal is lost or outside the expected range, the fault is triggered. This typically disables the left front burner as a safety precaution. The issue can stem from a loose connector, a damaged sensor, or a broken wire in the harness.

The left front burner is likely disabled when E51 is active, which limits its use anyway. Other burner zones may still function normally. It is best to avoid attempting to force the affected zone to operate and to resolve the fault before regular use resumes, since the temperature sensor is a key safety component for that cooking zone.

Repair costs vary depending on the root cause. A replacement surface unit temperature sensor typically falls in the range of $20 to $60 for the part alone. If the generator board requires replacement, parts costs can range from $100 to $250 or more. Adding professional labor charges, a full repair can run anywhere from $150 to $400 depending on the component needed and the technician's rates.

A knowledgeable DIYer can start by checking that the temperature sensor connector is fully seated at the generator board, which requires accessing the cooktop internals. If the connector is secure, testing the sensor and harness for continuity with a multimeter is the next step. Component replacement such as a new sensor or harness is manageable for those comfortable working on appliances, but generator board replacement is more complex and may warrant a technician.

Resetting the range by cutting power at the breaker for a few minutes may temporarily clear the fault display, but the code will return if the underlying sensor or wiring issue is not corrected. A reset alone is not a repair. It can be useful as a diagnostic step to confirm whether the fault is intermittent or persistent.