Electrolux Ice Maker Error Code E8

The E8 error code on an Electrolux ice maker indicates a fault with Thermistor 3, which has been detected as either open circuit or shorted. Thermistors are negative temperature coefficient (NTC) sensors, meaning their electrical resistance decreases as temperature rises. When the control board reads a resistance value that falls outside the expected range for Thermistor 3, it interprets the condition as either an open circuit (resistance too high, typically indicating a broken wire or failed sensor) or a short circuit (resistance too low, typically indicating a wiring fault or sensor failure). The E8 code is a protective response designed to prevent the ice maker from operating with unreliable temperature data.

Thermistor 3 is one of multiple temperature sensors used in the ice maker to monitor specific zones or components within the refrigeration and ice production system. Its exact placement varies by model but generally monitors a critical temperature point such as the evaporator, ice mold, or water inlet area. When this sensor fails or its circuit is compromised, the control board loses accurate temperature feedback and cannot properly regulate the freezing cycle, which can result in poor ice production or a complete halt of operation.

Common causes include physical damage to the thermistor itself, corrosion or moisture intrusion at connector points, pinched or broken wiring in the harness leading to the sensor, and connector pins that have backed out of their housings. Cold and humid environments typical inside ice makers can accelerate connector corrosion over time, making wiring and connection integrity a frequent culprit alongside outright sensor failure.